ACS GEN CHEM
PRACTICE EXAM WITH
100% CORRECT
ANSWERS
Whichvisvthevstrongestvoxidizingvagent?v
Nvav→←vNvav+v+vev-v2v.v7v1vVv
Cdv→←vCd2+v+v2e-v0.40vV
H2v→←v2H+v+2e-v0.00V
Ag→←vAg++e-v-0.80V
(A)vNa+
(B)H2
(C)vCd0v
(D)Ag+v-vcorrectvanswer-Ag+
AllvarevexamplesvofvLewisvacid-basevreactionsvexcept
Cu2+(aq)v+v4NH3(aq)v→←v[Cu(NH3)4]2+(aq)v
HCl(g)v+vNH3(g)v→vNH4Cl(s)
H+(aq)v+vOH-(aq)v→←vH2O(l)
2Na(s)v+vCl2(g)v→v2NaCl(s)v-vcorrectvanswer-2Nav+vCl2v->v2NaCl(s)
AccordingvtovthevLewisvdefinition,vanvacidvisvavspeciesv-vcorrectvanswer-
acceptingvavpairvofvelectrons
, AllvarevpotentialvLewisvbasesvexcept
NH3
H2Ov
CH4v
CN-v-vcorrectvanswer-CH4
Whichvhydratedvmetalvionvisvmostvacidicvundervconditionsvofvequalvmolarvconcentratio
nvinvwater?v-vcorrectvanswer-Al3+
WhichvelementvinvGroupv5Avformsvthevmostvbasicvoxide?v-vcorrectvanswer-Bi
Invwhatvrespectvdoesvanvatomvofvmagnesiumvdiffervfromvavmagnesiumvionv(Mg^2+)v-
vcorrectvanswer-Thevionvhasvmorevstablevelectronicvarrangementvthanvthevatom
Avcertainvatomvhasvthevsymbolv148/73Px.vWhatvdoesvthevsymbolvtellvaboutvanvatomvofv
thevelement?v-vcorrectvanswer-Itvhasv75vneutronsvinvthevnucleus
Thevatomicvmassvofvanvelementvisv32.07vuvandvitsvatomicvnumbervisv16.vThevnumbervo
fvprotonsvcontainedvinvthevnucleusvofvanvatomvofvthisvelementvisv-vcorrectvanswer-16
Thevatomicvmassvofvanvelementvisv32.07vuvandvitsvatomicvnumbervisv16.vThevelementvf
ormsvavsimplevion.vThevionvwillvmostvlikelyvhavevavchargevofv-vcorrectvanswer-2-
Whichvatomvcontainsv7vneutrons
A.vn=1vn=2vn=3
M=24,z=12v2ev8ev2e
B.vn=1vn=2vn=3
M=15vz=7v2ev5e
C.vn=1vn=2vn=3
M=17,vz=10v2ev8e
D.vn=1vn=2vn=3
M=34,vz=17v2ev8ev7ev-vcorrectvanswer-C
Invwhichvpairvofvcompoundsvshouldvthevfirstvmembervbevmorevcovalentvthanvthevsecon
dvmember?
AvTlCl,vTlCl3
BvSnI4,SnF4
CvLiF,vBF3
DvSnF4,vCF4v-vcorrectvanswer-SnI4,vSnF4
Whichvisvthevmostvcompletevandvbestvdescriptionvofvavcovalentvbond?v-
vcorrectvanswer-
avsystemvofvnucleivwhereveachvatomvdonatesvonevelectronvtovthevothervatom,vthusvfor
mingvavbond
Whichvpairvofvelementsvisvmostvlikelyvtovreactvtovformvavcovalentlyvbondedvspecies?v
AvPvandvOv
BvCavandvOv
CvKvandvSv
DvZnvandvCv-vcorrectvanswer-PvandvO
PRACTICE EXAM WITH
100% CORRECT
ANSWERS
Whichvisvthevstrongestvoxidizingvagent?v
Nvav→←vNvav+v+vev-v2v.v7v1vVv
Cdv→←vCd2+v+v2e-v0.40vV
H2v→←v2H+v+2e-v0.00V
Ag→←vAg++e-v-0.80V
(A)vNa+
(B)H2
(C)vCd0v
(D)Ag+v-vcorrectvanswer-Ag+
AllvarevexamplesvofvLewisvacid-basevreactionsvexcept
Cu2+(aq)v+v4NH3(aq)v→←v[Cu(NH3)4]2+(aq)v
HCl(g)v+vNH3(g)v→vNH4Cl(s)
H+(aq)v+vOH-(aq)v→←vH2O(l)
2Na(s)v+vCl2(g)v→v2NaCl(s)v-vcorrectvanswer-2Nav+vCl2v->v2NaCl(s)
AccordingvtovthevLewisvdefinition,vanvacidvisvavspeciesv-vcorrectvanswer-
acceptingvavpairvofvelectrons
, AllvarevpotentialvLewisvbasesvexcept
NH3
H2Ov
CH4v
CN-v-vcorrectvanswer-CH4
Whichvhydratedvmetalvionvisvmostvacidicvundervconditionsvofvequalvmolarvconcentratio
nvinvwater?v-vcorrectvanswer-Al3+
WhichvelementvinvGroupv5Avformsvthevmostvbasicvoxide?v-vcorrectvanswer-Bi
Invwhatvrespectvdoesvanvatomvofvmagnesiumvdiffervfromvavmagnesiumvionv(Mg^2+)v-
vcorrectvanswer-Thevionvhasvmorevstablevelectronicvarrangementvthanvthevatom
Avcertainvatomvhasvthevsymbolv148/73Px.vWhatvdoesvthevsymbolvtellvaboutvanvatomvofv
thevelement?v-vcorrectvanswer-Itvhasv75vneutronsvinvthevnucleus
Thevatomicvmassvofvanvelementvisv32.07vuvandvitsvatomicvnumbervisv16.vThevnumbervo
fvprotonsvcontainedvinvthevnucleusvofvanvatomvofvthisvelementvisv-vcorrectvanswer-16
Thevatomicvmassvofvanvelementvisv32.07vuvandvitsvatomicvnumbervisv16.vThevelementvf
ormsvavsimplevion.vThevionvwillvmostvlikelyvhavevavchargevofv-vcorrectvanswer-2-
Whichvatomvcontainsv7vneutrons
A.vn=1vn=2vn=3
M=24,z=12v2ev8ev2e
B.vn=1vn=2vn=3
M=15vz=7v2ev5e
C.vn=1vn=2vn=3
M=17,vz=10v2ev8e
D.vn=1vn=2vn=3
M=34,vz=17v2ev8ev7ev-vcorrectvanswer-C
Invwhichvpairvofvcompoundsvshouldvthevfirstvmembervbevmorevcovalentvthanvthevsecon
dvmember?
AvTlCl,vTlCl3
BvSnI4,SnF4
CvLiF,vBF3
DvSnF4,vCF4v-vcorrectvanswer-SnI4,vSnF4
Whichvisvthevmostvcompletevandvbestvdescriptionvofvavcovalentvbond?v-
vcorrectvanswer-
avsystemvofvnucleivwhereveachvatomvdonatesvonevelectronvtovthevothervatom,vthusvfor
mingvavbond
Whichvpairvofvelementsvisvmostvlikelyvtovreactvtovformvavcovalentlyvbondedvspecies?v
AvPvandvOv
BvCavandvOv
CvKvandvSv
DvZnvandvCv-vcorrectvanswer-PvandvO