AS & A Level CHEMISTRY 9701/12 Paper 1 Multiple Choice May/June 2023 Authentic Marking Scheme

&DPEULGJH,QWHUQDWLRQDO$6 $/HYHO

&+(0,675<

3DSHU0XOWLSOH&KRLFH 0D\-XQH
KRXUPLQXWHV

<RXPXVWDQVZHURQWKHPXOWLSOHFKRLFHDQVZHUVKHHW
*9804289175*




<RXZLOOQHHG
 0XOWLSOHFKRLFHDQVZHUVKHHW
6RIWFOHDQHUDVHU
6RIWSHQFLO W\SH%RU+%LVUHFRPPHQGHG 

,16758&7,216
x 7KHUHDUHIRUW\TXHVWLRQVRQWKLVSDSHU$QVZHUDOOTXHVWLRQV
x )RUHDFKTXHVWLRQWKHUHDUHIRXUSRVVLEOHDQVZHUV$%&DQG'&KRRVHWKHRQH\RXFRQVLGHUFRUUHFW
DQGUHFRUG\RXUFKRLFHLQVRIWSHQFLORQWKHPXOWLSOHFKRLFHDQVZHUVKHHW
x )ROORZWKHLQVWUXFWLRQVRQWKHPXOWLSOHFKRLFHDQVZHUVKHHW
x :ULWHLQVRIWSHQFLO
x :ULWH\RXUQDPHFHQWUHQXPEHUDQGFDQGLGDWHQXPEHURQWKHPXOWLSOHFKRLFHDQVZHUVKHHWLQWKH
VSDFHVSURYLGHGXQOHVVWKLVKDVEHHQGRQHIRU\RX
x 'RQRWXVHFRUUHFWLRQIOXLG
x 'RQRWZULWHRQDQ\EDUFRGHV
x <RXPD\XVHDFDOFXODWRU


,1)250$7,21
x 7KHWRWDOPDUNIRUWKLVSDSHULV
x (DFKFRUUHFWDQVZHUZLOOVFRUHRQHPDUN
x $Q\URXJKZRUNLQJVKRXOGEHGRQHRQWKLVTXHVWLRQSDSHU
x 7KH3HULRGLF7DEOHLVSULQWHGLQWKHTXHVWLRQSDSHU
x ,PSRUWDQWYDOXHVFRQVWDQWVDQGVWDQGDUGVDUHSULQWHGLQWKHTXHVWLRQSDSHU




7KLVGRFXPHQWKDVSDJHV$Q\EODQNSDJHVDUHLQGLFDWHG


,%B
B753
‹8&/(6 >7XUQRYHU

, 2

35 +
1 When chlorine gas is analysed in a mass spectrometer Cl ions are detected.

Which row is correct?


number of electronic
35 + 35 +
neutrons in Cl configuration of Cl
2 2 6 2 4
A 17 1s 2s 2p 3s 3p
2 2 6 2 6
B 17 1s 2s 2p 3s 3p
2 2 6 2 4
C 18 1s 2s 2p 3s 3p
2 2 6 2 6
D 18 1s 2s 2p 3s 3p


2 Which species is a free radical?
– 2–
A He B Be C O D Zn


3 Which statement is correct?

A The first ionisation energy of chlorine is more than the first ionisation energy of argon.
B The second ionisation energy of calcium is more than the second ionisation energy of
magnesium.
C The second ionisation energy of sulfur is equal to the first ionisation energy of phosphorus.
D The eighth ionisation energy of chlorine is more than the first ionisation energy of neon.


4 If 1 mole of hexane combusts in an excess of oxygen, how many moles of products are formed?

A 11 B 12 C 13 D 14


5 Separate samples, each of mass 1.0 g, of the compounds listed are treated with an excess of dilute
acid.

Which compound releases the largest amount of CO2?

A 1.0 g CaCO3 B 1.0 g Li2CO3 C 1.0 g MgCO3 D 1.0 g Na2CO3


6 Which statement about the Cl –N=O molecule is correct?

A EachmoleculecontainsoneS
andtwoP
bonds.
B It is a non-polar molecule.
C It is a linear molecule.
2
D The nitrogen atom is sp hybridised .



‹8&/(6
0-

, 3


7 Which row is correct?


total number of pairs of electrons in
molecule shape
the valence shell of the central atom

A CO2 linear two
B BF3 trigonal planar three
C NH3 regular tetrahedral four
D PF5 octahedral six


–3 3 5
8 Thevolumeofavesselis1.20s
10 m .Itcontainspureargonatapressureof1.00s
10 Pa,
andatatemperatureof25.0°C.Undertheseconditionsitcanbeassumedthatargonbehavesas
anidealgas.

Which mass of argon does it contain?

A 0.0485 g B 1.93 g C 10.4 g D 23.0 g

3 –3 –3
9 A student mixed 25.0 cm of 4.00 mol dm hydrochloric acid with an equal volume of 4.00 mol dm
sodium hydroxide. The initial temperature of both solutions was 15.0 °C. The maximum temperature
–1 –1
recorded was 30.0 °C. The heat capacity of the final solution can be assumed to be 4.18 J K g
–3
and the density of this solution can be assumed to be 1.00 g cm .

Using these results, what is the enthalpy change of neutralisation of hydrochloric acid?
–1
A –62.7 kJ mol
–1
B –31.4 kJ mol
–1
C –15.7 kJ mol
–1
D –3.14 kJ mol




‹8&/(6
0- >7XUQRYHU