MOMENTUM NEETIIT ACADEMY
Subject : Physics,
Chemistry, Paper Set : 1
Biology 12th_TEST-16_26 JULY Date : 26-07-2025
Standard : 12 Time : 3H:0M
Total Mark : 720
............ Physics - Section A (MCQ) ............
(7) A boy stands straight infront of a mirror at a
distance of 30cm away from it. He sees his
th
erect image whose height is 15 of his real
(1) A diminished virtual image can be formed
height. The mirror he is using is
only in
(A) Plane mirror (B) Convex mirror
(A) Plane mirror
(D) Plano-convex
(B) A concave mirror (C) Concave mirror mirror
(C) A convex mirror (8) A person sees his virtual image by holding a
(D) Concave-parabolic mirror mirror very close to the face. When he
moves the mirror away from his face, the
(2) Which of the following could not produce a image becomes inverted. What type of
virtual image mirror he is using
(A) Plane mirror (A) Plane mirror (B) Convex mirror
(B) Convex mirror (C) Concave mirror (D) None of these
(9) Which one of the following statements is true
(C) Concave mirror
(A) An object situated at the principle focus
(D) All the above can produce a virtual image
of a concave lens will have its image
(3) The field of view is maximum for formed at infinity
(A) Plane mirror (B) Concave mirror (B) Concave mirror can give diminished
(C) Convex mirror (D) Cylindrical mirror virtual image
(4) Image formed by a convex mirror is (C) Given a point source of light, a convex
(A) Virtual (B) Real mirror can produce a parallel beam of
light
(C) Enlarged (D) Inverted
(D) The virtual image formed in a plane
(5) A convex mirror is used to form the image of mirror can be photographed
an object. Then which of the following
statements is wrong (10) The relation between the linear
magnification m, the object distance u and
(A) The image lies between the pole and the
the focal length f is
focus
(A) m = f −u
f
f
(B) m = f −u
(B) The image is diminished in size
(C) m = f +u f
(D) m = f +u
(C) The image is erect f
(11) While using an electric bulb, the reflection
(D) The image is real for street lighting should be from
(6) Given a point source of light, which of the (A) Concave mirror (B) Convex mirror
following can produce a parallel beam of (C) Cylindrical mirror (D) Parabolic mirror
light
(12) A virtual image larger than the object can be
(A) Convex mirror obtained by
(B) Concave mirror (A) Concave mirror (B) Convex mirror
(C) Concave lens (C) Plane mirror (D) Concave lens
(D) Two plane mirrors inclined at an angle of (13) An object is placed 40 cm from a concave
90◦ mirror of focal length 20 cm. The image
1
, formed is (A) Protons and electrons
(A) Real, inverted and same in size
(B) Protons and neutrons
(B) Real, inverted and smaller
(C) Neutrons and electrons
(C) Virtual, erect and larger
(D) Neutrons and positrons
(D) Virtual, erect and smaller
(14) A virtual image three times the size of the (22) The mass number of a nucleus is
object is obtained with a concave mirror of (A) Always less than its atomic number
radius of curvature 36cm.The distance of the (B) Always more than its atomic number
object from the mirror is........cm
(A) 5 (B) 12 (C) Always equal to its atomic number
(C) 10 (D) 20 (D) Sometimes more than and sometimes
equal to its atomic number
(15) All of the following statements are correct
except (23) The energy equivalent of 1 kilogram of
(A) The magnification produced by a convex matter is about
mirror is always less than one (A) 10−15 J (B) 1J
(B) A virtual, erect, same-sized image can be (C) 10−12 J (D) 1017 J
obtained using a plane mirror
(24) Size of nucleus is of the order of
(C) A virtual, erect, magnified image can be (A) 10−10 m (B) 10−15 m
formed using a concave mirror
(C) 10−12 m (D) 10−19 m
(D) A real, inverted, same-sized image can be
formed using a convex mirror (25) The mass of proton is 1.0073 u and that of
neutron is 1.0087 u(u = atomic mass unit).
(16) If an object is placed 10cm infront of a The binding energy of 42 He is (Given : helium
concave mirror of focal length 20cm, the nucleus mass ≈ 4.0015 u)
image will be (A) 28.4 M eV (B) 0.0305 J
(A) Diminished, upright, virtual (C) 0.0305 erg (D) 0.061 u
(B) Enlarged, upright, virtual
(26) Which of the following pairs is an isobar
(C) Diminished, inverted, real (A) 1 H 1 and 1 H 2 (B) 1 H 2 and 1 H 3
(D) Enlarged, upright, real (C) 6 C 12 and 6 C 13 (D) 30
and 14 Si30
15 P
(17) A convex mirror has a focal lengthf. A real
(27) In 88 Ra226 nucleus, there are
object is placed at a distance f in front of it
from the pole produces an image at (A) 138 protons and 88 neutrons
(A) Infinity (B) f (B) 138 neutrons and 88 protons
(C) f /2 (D) 2f (C) 226 protons and 88 electrons
(18) The focal length of a convex mirror is 20 cm (D) 226 neutrons and 138 electrons
its radius of curvature will be.....cm
(A) 10 (B) 20 (28) In helium nucleus, there are
(C) 30 (D) 40 (A) 2 protons and 2 electrons
(19) For a real object, which of the following can (B) 2 neutrons, 2 protons and 2 electrons
produced a real image (C) 2 protons and 2 neutrons
(A) Plane mirror (B) Concave lens
(D) 2 positrons and 2 protons
(C) Convex mirror (D) Concave mirror
(20) 1a.m.u. is equivalent to (29) The binding energy per nucleon is maximum
(A) 1.6 × 10−12 Joule (B) 1.6 × 10−19 Joule in the case of
(A) 24 He (B) 56
26 F e
(C) 1.5 × 10−10 Joule (D) 1.5 × 10−19 Joule
(C) 141
56 Ba (D) 235
92 U
(21) Which of the following particles are
constituents of the nucleus (30) Which statement is correct
2
, (A) N −type germanium is negatively (A) 2πr (B) πr
charged and P −type germanium is (C) 2πr
1
(D) 4πr 1
positively charged (37) In producing X− rays a beam of electrons
(B) Both N −type and P −type germanium accelerated by a potential difference V is
are neutral made to strike a metal target. For what
value of V, X− rays will have the lowest
(C) N −type germanium is positively charged
and P −type germanium is negatively wavelength of 0.3094Å......kV
charged (A) 10 (B) 20
(D) Both N −type and P −type germanium (C) 30 (D) 40
are negatively charged (38) If λ1 and λ2 are the wavelengths of
characteristic X− rays and gamma rays
(31) When Ge crystals are doped with
respectively, then the relation between them
phosphorus atom, then it becomes
is
(A) Insulator (B) P −type (A) λ1 = λ12 (B) λ1 = λ2
(C) N −type (D) Superconductor (C) λ1 > λ2 (D) λ1 < λ2
(32) Let nP and ne be the number of holes and (39) The wavelength of Kα line for an element of
conduction electrons respectively in a atomic number 43 is λ. Then the wavelength
semiconductor. Then of Kα line for an element of atomic number
(A) nP > ne in an intrinsic semiconductor 29 is
(A) 43 λ (B) 42 λ
(B) nP = ne in an extrinsic semiconductor 29 28
(C) nP = ne in an intrinsic semiconductor (C) 94 λ (D) 49 λ
(40) Which of the following is true
(D) ne > nP in an intrinsic semiconductor
(A) Lyman series is a continuous spectrum
(33) Wires P and Q have the same resistance at
ordinary (room) temperature. When heated, (B) Paschen series is a line spectrum in the
resistance of P increases and that of Q infrared
decreases. We conclude that (C) Balmer series is a line spectrum in the
(A) P and Q are conductors of different ultraviolet
materials
(D) The spectral series formula can be
(B) P is N − type semiconductor and Q is P − derived from the Rutherford model of the
type semiconductor hydrogen atom
(C) P is semiconductor and Q is conductor (41) The energy required to knock out the
(D) P is conductor and Q is semiconductor electron in the third orbit of a hydrogen
atom is equal to
(34) The impurity atoms which are mixed with (A) 13.6 eV (B) + 13.6 eV
9
pure silicon to make a P − type
semiconductor are those of (C) − 13.63
eV (D) − 13.6
3
eV
(A) Phosphorus (B) Boron (42) In the Millikan’s experiment, the distance
(C) Antimony (D) Copper between two horizontal plates is 2.5 cm and
the potential difference applied is 250 V .
(35) Intrinsic semiconductor is electrically neutral.
The electric field between the plates will be
Extrinsic semiconductor having large
....... V /m
number of current carriers would be
(A) 900 (B) 10000
(A) Positively charged
(C) 625 (D) 6250
(B) Negatively charged
(43) The mass of a particle is 400 times than that
(C) Positively charged or negatively charged of an electron and the charge is double. The
depending upon the type of impurity that particle is accelerated by 5V . Initially the
has been added particle remained in rest, then its final kinetic
(D) Electrically neutral energy will be ........... eV
(A) 5 (B) 10
(36) For the Bohr’s first orbit of circumference
2πr, the de-Broglie wavelength of revolving (C) 100 (D) 2000
electron will be (44) n Millikan oil drop experiment, a charged
3
, drop of mass 1.8 × 10−14 kg is stationary expected to have the highest EM o
3+ /M 2+ value
between its plates. The distance between its ?
plates is 0.90cm and potential difference is 2.0 (A) Cr (Z = 24) (B) M n (Z = 25)
kilo volts. The number of electrons on the (C) F e (Z = 26) (D) Co (Z = 27)
drop is
(A) 500 (B) 50 (53) The color of KM nO4 is due to :
(C) 5 (D) 0 (A) L → M charge transfer transition
(45) A narrow electron beam passes undeviated (B) σ − σ ∗ transition
through an electric field E = 3 × 104 volt/m (C) M → L charge transfer transition
and an overlapping magnetic field
B = 2 × 10−3 W eber/m2 . If electric field and (D) d − d transition
magnetic field are mutually perpendicular. (54) When XO2 is fused with an alkali metal
The speed of the electrons is hydroxide in presence of an oxidizing agent
(A) 60m/s (B) 10.3 × 107 m/s such as KN O3 , a dark green product is
(C) 1.5 × 107 m/s (D) 0.67 × 10−7 m/s formed which disproportionates in acidic
solution to afford a dark purple solution. X is
. . . . . . . . . . Chemistry - Section A (MCQ) . . . . . . . . . . (A) M n (B) Cr
(C) V (D) T i
(46) The product of oxidation of I − with M nO4− in
alkaline medium is (55) Which of the following statements is false ?
(A) IO3− (B) I2 (A) N a2 Cr2 O7 is less soluble than K2 Cr2 O7
(C) IO −
(D) IO4− (B) N a2 Cr2 O7 is primary standard in
(47) Which one of the following oxides is ionic volumetry
(A) M nO (B) M n2 O7 (C) CrO42− is tetrahedral in shape
(C) CrO3 (D) P2 O5 (D) CrO72− has a Cr − O − Cr bond
(48) Which pair of compound is expected to show
similar colour in aqueous medium (56) The transition element that has lowest
(A) F eCl2 and CuCl2 (B) V OCl2 andCuCl2 enthalpy of atomisation is
(A) F e (B) Cu
(C) V OCl2 andF eCl2 (D) F eCl2 andM nCl2
(C) V (D) Zn
(49) The number of moles of KM nO4 that will be
needed to react completely with one mole of (57) The element the usually does N OT show
ferrous oxalate F e(C2 O4 ) in acidic solution is variable oxidation states is
(A) 3/5 (B) 2/5 (A) Cu (B) T i
(C) 4/5 (D) 1 (C) Sc (D) V
(50) Magnetic moment 2.84 B.M. is given by (At. (58) The statement that is IN CORRECT about
nos. N i = 28, T i = 22,Cr = 24, Co = 27) the interstitial compound is
(A) Cr2+ (B) Co2+ (A) they have metallic conductivity
(C) N i2+ (D) T i3+ (B) they have high melting points
(51) Sc (Z = 21) is a transition element but (C) they are chemically reactive
Zn (Z = 30) is not because
(D) they are very hard
(A) both Sc3+ and Zn2+ ions are colourless
and form white compounds. (59) The correct order of the first ionization
enthalpies is
(B) in case of Sc, 3d orbitals are partially filled
(A) M n < T i < Zn < N (B)
i Zn < N i < M n < T i
but in Zn these are filled.
(C) T i < M n < Zn < N i
(C) last electron is assumed to be added to
(D) T i < M n < N i < Zn
4s level in case of Zn.
(60) The atomic radius of Ag is closest to
(D) both Sc and Zn do not exhibit variable
(A) Cu (B) Hg
oxidation states.
(52) Four successive members of the first row (C) Au (D) N i
transition elements are listed below with (61) The set that contains atomic number of only
atomic numbers. Which one of them is transition element is -
4
Subject : Physics,
Chemistry, Paper Set : 1
Biology 12th_TEST-16_26 JULY Date : 26-07-2025
Standard : 12 Time : 3H:0M
Total Mark : 720
............ Physics - Section A (MCQ) ............
(7) A boy stands straight infront of a mirror at a
distance of 30cm away from it. He sees his
th
erect image whose height is 15 of his real
(1) A diminished virtual image can be formed
height. The mirror he is using is
only in
(A) Plane mirror (B) Convex mirror
(A) Plane mirror
(D) Plano-convex
(B) A concave mirror (C) Concave mirror mirror
(C) A convex mirror (8) A person sees his virtual image by holding a
(D) Concave-parabolic mirror mirror very close to the face. When he
moves the mirror away from his face, the
(2) Which of the following could not produce a image becomes inverted. What type of
virtual image mirror he is using
(A) Plane mirror (A) Plane mirror (B) Convex mirror
(B) Convex mirror (C) Concave mirror (D) None of these
(9) Which one of the following statements is true
(C) Concave mirror
(A) An object situated at the principle focus
(D) All the above can produce a virtual image
of a concave lens will have its image
(3) The field of view is maximum for formed at infinity
(A) Plane mirror (B) Concave mirror (B) Concave mirror can give diminished
(C) Convex mirror (D) Cylindrical mirror virtual image
(4) Image formed by a convex mirror is (C) Given a point source of light, a convex
(A) Virtual (B) Real mirror can produce a parallel beam of
light
(C) Enlarged (D) Inverted
(D) The virtual image formed in a plane
(5) A convex mirror is used to form the image of mirror can be photographed
an object. Then which of the following
statements is wrong (10) The relation between the linear
magnification m, the object distance u and
(A) The image lies between the pole and the
the focal length f is
focus
(A) m = f −u
f
f
(B) m = f −u
(B) The image is diminished in size
(C) m = f +u f
(D) m = f +u
(C) The image is erect f
(11) While using an electric bulb, the reflection
(D) The image is real for street lighting should be from
(6) Given a point source of light, which of the (A) Concave mirror (B) Convex mirror
following can produce a parallel beam of (C) Cylindrical mirror (D) Parabolic mirror
light
(12) A virtual image larger than the object can be
(A) Convex mirror obtained by
(B) Concave mirror (A) Concave mirror (B) Convex mirror
(C) Concave lens (C) Plane mirror (D) Concave lens
(D) Two plane mirrors inclined at an angle of (13) An object is placed 40 cm from a concave
90◦ mirror of focal length 20 cm. The image
1
, formed is (A) Protons and electrons
(A) Real, inverted and same in size
(B) Protons and neutrons
(B) Real, inverted and smaller
(C) Neutrons and electrons
(C) Virtual, erect and larger
(D) Neutrons and positrons
(D) Virtual, erect and smaller
(14) A virtual image three times the size of the (22) The mass number of a nucleus is
object is obtained with a concave mirror of (A) Always less than its atomic number
radius of curvature 36cm.The distance of the (B) Always more than its atomic number
object from the mirror is........cm
(A) 5 (B) 12 (C) Always equal to its atomic number
(C) 10 (D) 20 (D) Sometimes more than and sometimes
equal to its atomic number
(15) All of the following statements are correct
except (23) The energy equivalent of 1 kilogram of
(A) The magnification produced by a convex matter is about
mirror is always less than one (A) 10−15 J (B) 1J
(B) A virtual, erect, same-sized image can be (C) 10−12 J (D) 1017 J
obtained using a plane mirror
(24) Size of nucleus is of the order of
(C) A virtual, erect, magnified image can be (A) 10−10 m (B) 10−15 m
formed using a concave mirror
(C) 10−12 m (D) 10−19 m
(D) A real, inverted, same-sized image can be
formed using a convex mirror (25) The mass of proton is 1.0073 u and that of
neutron is 1.0087 u(u = atomic mass unit).
(16) If an object is placed 10cm infront of a The binding energy of 42 He is (Given : helium
concave mirror of focal length 20cm, the nucleus mass ≈ 4.0015 u)
image will be (A) 28.4 M eV (B) 0.0305 J
(A) Diminished, upright, virtual (C) 0.0305 erg (D) 0.061 u
(B) Enlarged, upright, virtual
(26) Which of the following pairs is an isobar
(C) Diminished, inverted, real (A) 1 H 1 and 1 H 2 (B) 1 H 2 and 1 H 3
(D) Enlarged, upright, real (C) 6 C 12 and 6 C 13 (D) 30
and 14 Si30
15 P
(17) A convex mirror has a focal lengthf. A real
(27) In 88 Ra226 nucleus, there are
object is placed at a distance f in front of it
from the pole produces an image at (A) 138 protons and 88 neutrons
(A) Infinity (B) f (B) 138 neutrons and 88 protons
(C) f /2 (D) 2f (C) 226 protons and 88 electrons
(18) The focal length of a convex mirror is 20 cm (D) 226 neutrons and 138 electrons
its radius of curvature will be.....cm
(A) 10 (B) 20 (28) In helium nucleus, there are
(C) 30 (D) 40 (A) 2 protons and 2 electrons
(19) For a real object, which of the following can (B) 2 neutrons, 2 protons and 2 electrons
produced a real image (C) 2 protons and 2 neutrons
(A) Plane mirror (B) Concave lens
(D) 2 positrons and 2 protons
(C) Convex mirror (D) Concave mirror
(20) 1a.m.u. is equivalent to (29) The binding energy per nucleon is maximum
(A) 1.6 × 10−12 Joule (B) 1.6 × 10−19 Joule in the case of
(A) 24 He (B) 56
26 F e
(C) 1.5 × 10−10 Joule (D) 1.5 × 10−19 Joule
(C) 141
56 Ba (D) 235
92 U
(21) Which of the following particles are
constituents of the nucleus (30) Which statement is correct
2
, (A) N −type germanium is negatively (A) 2πr (B) πr
charged and P −type germanium is (C) 2πr
1
(D) 4πr 1
positively charged (37) In producing X− rays a beam of electrons
(B) Both N −type and P −type germanium accelerated by a potential difference V is
are neutral made to strike a metal target. For what
value of V, X− rays will have the lowest
(C) N −type germanium is positively charged
and P −type germanium is negatively wavelength of 0.3094Å......kV
charged (A) 10 (B) 20
(D) Both N −type and P −type germanium (C) 30 (D) 40
are negatively charged (38) If λ1 and λ2 are the wavelengths of
characteristic X− rays and gamma rays
(31) When Ge crystals are doped with
respectively, then the relation between them
phosphorus atom, then it becomes
is
(A) Insulator (B) P −type (A) λ1 = λ12 (B) λ1 = λ2
(C) N −type (D) Superconductor (C) λ1 > λ2 (D) λ1 < λ2
(32) Let nP and ne be the number of holes and (39) The wavelength of Kα line for an element of
conduction electrons respectively in a atomic number 43 is λ. Then the wavelength
semiconductor. Then of Kα line for an element of atomic number
(A) nP > ne in an intrinsic semiconductor 29 is
(A) 43 λ (B) 42 λ
(B) nP = ne in an extrinsic semiconductor 29 28
(C) nP = ne in an intrinsic semiconductor (C) 94 λ (D) 49 λ
(40) Which of the following is true
(D) ne > nP in an intrinsic semiconductor
(A) Lyman series is a continuous spectrum
(33) Wires P and Q have the same resistance at
ordinary (room) temperature. When heated, (B) Paschen series is a line spectrum in the
resistance of P increases and that of Q infrared
decreases. We conclude that (C) Balmer series is a line spectrum in the
(A) P and Q are conductors of different ultraviolet
materials
(D) The spectral series formula can be
(B) P is N − type semiconductor and Q is P − derived from the Rutherford model of the
type semiconductor hydrogen atom
(C) P is semiconductor and Q is conductor (41) The energy required to knock out the
(D) P is conductor and Q is semiconductor electron in the third orbit of a hydrogen
atom is equal to
(34) The impurity atoms which are mixed with (A) 13.6 eV (B) + 13.6 eV
9
pure silicon to make a P − type
semiconductor are those of (C) − 13.63
eV (D) − 13.6
3
eV
(A) Phosphorus (B) Boron (42) In the Millikan’s experiment, the distance
(C) Antimony (D) Copper between two horizontal plates is 2.5 cm and
the potential difference applied is 250 V .
(35) Intrinsic semiconductor is electrically neutral.
The electric field between the plates will be
Extrinsic semiconductor having large
....... V /m
number of current carriers would be
(A) 900 (B) 10000
(A) Positively charged
(C) 625 (D) 6250
(B) Negatively charged
(43) The mass of a particle is 400 times than that
(C) Positively charged or negatively charged of an electron and the charge is double. The
depending upon the type of impurity that particle is accelerated by 5V . Initially the
has been added particle remained in rest, then its final kinetic
(D) Electrically neutral energy will be ........... eV
(A) 5 (B) 10
(36) For the Bohr’s first orbit of circumference
2πr, the de-Broglie wavelength of revolving (C) 100 (D) 2000
electron will be (44) n Millikan oil drop experiment, a charged
3
, drop of mass 1.8 × 10−14 kg is stationary expected to have the highest EM o
3+ /M 2+ value
between its plates. The distance between its ?
plates is 0.90cm and potential difference is 2.0 (A) Cr (Z = 24) (B) M n (Z = 25)
kilo volts. The number of electrons on the (C) F e (Z = 26) (D) Co (Z = 27)
drop is
(A) 500 (B) 50 (53) The color of KM nO4 is due to :
(C) 5 (D) 0 (A) L → M charge transfer transition
(45) A narrow electron beam passes undeviated (B) σ − σ ∗ transition
through an electric field E = 3 × 104 volt/m (C) M → L charge transfer transition
and an overlapping magnetic field
B = 2 × 10−3 W eber/m2 . If electric field and (D) d − d transition
magnetic field are mutually perpendicular. (54) When XO2 is fused with an alkali metal
The speed of the electrons is hydroxide in presence of an oxidizing agent
(A) 60m/s (B) 10.3 × 107 m/s such as KN O3 , a dark green product is
(C) 1.5 × 107 m/s (D) 0.67 × 10−7 m/s formed which disproportionates in acidic
solution to afford a dark purple solution. X is
. . . . . . . . . . Chemistry - Section A (MCQ) . . . . . . . . . . (A) M n (B) Cr
(C) V (D) T i
(46) The product of oxidation of I − with M nO4− in
alkaline medium is (55) Which of the following statements is false ?
(A) IO3− (B) I2 (A) N a2 Cr2 O7 is less soluble than K2 Cr2 O7
(C) IO −
(D) IO4− (B) N a2 Cr2 O7 is primary standard in
(47) Which one of the following oxides is ionic volumetry
(A) M nO (B) M n2 O7 (C) CrO42− is tetrahedral in shape
(C) CrO3 (D) P2 O5 (D) CrO72− has a Cr − O − Cr bond
(48) Which pair of compound is expected to show
similar colour in aqueous medium (56) The transition element that has lowest
(A) F eCl2 and CuCl2 (B) V OCl2 andCuCl2 enthalpy of atomisation is
(A) F e (B) Cu
(C) V OCl2 andF eCl2 (D) F eCl2 andM nCl2
(C) V (D) Zn
(49) The number of moles of KM nO4 that will be
needed to react completely with one mole of (57) The element the usually does N OT show
ferrous oxalate F e(C2 O4 ) in acidic solution is variable oxidation states is
(A) 3/5 (B) 2/5 (A) Cu (B) T i
(C) 4/5 (D) 1 (C) Sc (D) V
(50) Magnetic moment 2.84 B.M. is given by (At. (58) The statement that is IN CORRECT about
nos. N i = 28, T i = 22,Cr = 24, Co = 27) the interstitial compound is
(A) Cr2+ (B) Co2+ (A) they have metallic conductivity
(C) N i2+ (D) T i3+ (B) they have high melting points
(51) Sc (Z = 21) is a transition element but (C) they are chemically reactive
Zn (Z = 30) is not because
(D) they are very hard
(A) both Sc3+ and Zn2+ ions are colourless
and form white compounds. (59) The correct order of the first ionization
enthalpies is
(B) in case of Sc, 3d orbitals are partially filled
(A) M n < T i < Zn < N (B)
i Zn < N i < M n < T i
but in Zn these are filled.
(C) T i < M n < Zn < N i
(C) last electron is assumed to be added to
(D) T i < M n < N i < Zn
4s level in case of Zn.
(60) The atomic radius of Ag is closest to
(D) both Sc and Zn do not exhibit variable
(A) Cu (B) Hg
oxidation states.
(52) Four successive members of the first row (C) Au (D) N i
transition elements are listed below with (61) The set that contains atomic number of only
atomic numbers. Which one of them is transition element is -
4
