Test Bank For Organic Chemistry 15th Edition All Chapters - 9780134042282.pdf

Chapterg1g CovalentgBondinggandgShapesgofgMolecul
es

MultiplegChoice

1. WhichgisgthegelectronicgconfigurationgthatgdescribesgMg2+?g (Sec.g1.2)


a) 1s2,g2s2
b) 1s2,g2s2,g2p6
c) 1s2,g2s2,g2p6,g3s2
d) 1s2,g2s2,g2p6,g3s2,g3p6

2. WhichgisgthegelectronicgconfigurationgthatgdescribesgC?g (Sec.g1.2)

a) 1s2,g2s2,g2p5
b) 1s2,g2s2,g2p6,g3s2
c) 1s2,g2s2,g2p2
d) 1s2,g2s2,g2p6

3. Whichgiongisgdescribedgbygthegelectronicgconfigurationg1s22s22p63s23p2?g (Sec.g1.2)

a) Mg+
b) Al+
c) Si+
d) P+

4. Whichgatomgisgdescribedgbygthegelectrongconfigurationg1s22s22p63s23p7?g (Sec.g1.2)

a) S
b) Se
c) Cl
d) Br


5. WhichgatomgisgdescribedgbygthegLewisgstructureg
g Ag g?g (Sec.g1.2)

a) C
b) P
c) Se
d) I


6. WhichgatomgisgdescribedgbygthegLewisgstructureg g
Ag ?g (Sec.g1.2)

a) C
b) P
c) Se
d) I

7. Whichgmoleculesgcontaingbothgcovalentgandgionicgbonds?g (Sec.g1.3)

CH3OH Na2CO3 NH4Cl NaCl
gI gII gIII gI
V
a) I,gII
b) II,gIV
c) I,gII,gIV
d) II,gIII


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, Chapterg1g CovalentgBondinggandgShapesgofgMolecul
es


8. Arrangegthegbondsgingincreasinggordergofgionicgcharacterg(leastgfirst).g (Sec.g1.3)

C-C Na-O C-N O-H C-O
I II III IV V

a) III,gI,gIV,gII,gV
b) V,gIII,gI,gII,gIV
c) I,gIII,gV,gIV,gII
d) I,gIII,gII,gIV,gV

9. WhichgLewisgstructuregisgcorrect?g (Sec.g1.3)

H H H .. :O: ..
g
g

a) Hg gCg c) H
gOH
b) H
H .O. O.. g
H d) H O C O
.. .. H

H
.C. .C.

10. WhichgLewisgstructuresgaregcorrect?g (Sec.g1.3)

H H H H
Hg gO g gOg Hg g N g g N g H Ng Hg gCg
gH gH ClgH
gOgH g



I II III IV

a) I,gII
b) II,gIV
c) III,gIV
d) I,gIII


11.g Whichgmoleculesgaregpolar?g (Sec.g1.5)
NH3 CO2 H2O CH4 Br2

I II III IV V

a) I,gIV
b) I,gIII
c) II,gIII,gIV
d) III,gIV,gV




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, Chapterg1g CovalentgBondinggandgShapesgofgMolecul
es

12. Whichgmoleculesgaregpolar?g (Sec.g1.5)

O
H2Cg g CH2 C CH2Cl2 H3Cg CH3OH
H
I III CH3gI V
H II
g g g
g g
a) III,gIV,g
V
b) I,gIV V
c) II,gIII,gV
d) I,gIII


13. WhichgfunctionalggroupsghavegcorrectgLewisgstructures?g (Sec.g1.3)

O
Cg g O g g H Cg g O Cg g O g g H

carbonyl carboxyl
hydroxyl
gIII
gI gII


a) I,gII
b) II,gIII
c) I,gII,gIII
d) I,gIII

14. WhichgisgthegcorrectgLewisgstructuregforgaceticgacidg(CH3CO2H)?g (Sec.g1.3)

Hg gO H O H O Og g g H
Hg gCg g Cg Hg g Cg g Cg Hg g Cg g Og H Hg g O g g C g g C g
g gOH H g g OH H g gCH HH
gg


a) b) c) d)

15. UsinggthegVSEPRgmodel,gpredictgwhichgatomsghavegbondganglesgofgaboutg120°.g (Sec.g1.4)

O
C CH3OH CH2g NH4Cl
H3C H g CH2


I II IV
III

a) II,gIV
b) I,gIV
c) II,gIII
d) I,gIII



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, Chapterg1g CovalentgBondinggandgShapesgofgMolecul
es

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16. AccordinggtogVSEPRgmodel,gwhatgisgyourgpredictiongforgthegarrangementgofgelectrongpairsgforgCH
3 g ?g (Sec.g1.4)


a) linear
b) tetrahedral
c) bent
d) trigonal


17. UsinggthegVSEPRgmodel,gpredictgwhichgspeciesghavegbondganglesgofgaboutg109°.g (Sec.g1.4)

NH3 CO2 H2O H3O+

O3gI II III

IV V
a) I,gIII,gIV
b) II,gIII,gV
c) I,gIV
d) III,gIV,gV


18. WhatgisgthegcorrectgstructuregforgthegaldehydegwhichghasgthegformulagC4H8O?g (Sec.g1.3)

OH O
a) CH3 CH CHg b) CH3 C CH2 CH3
g C
H2
O
g

c) CH3 CH2 CH2 CH d) H2Cg g CHg gCH2g g Og gCH3

19. Nitrogenghasgagnegativegformalgchargegingwhichgofgthegfollowinggcompounds?g (Sec.g1.3)

a) NaNH2
b) N2
c) NH4Cl
d) HCN

20. WhatgisgthegformalgchargegofgoxygengingH3O+?g (Sec.g1.3)

a) –1
b) 0
c)g+1
d)g+2

21. Whatgisgthegformalgchargegofgindicatedgcarbongin,



(Sec.g1.3)
a) –2
b) –1
c) 0
d)g+1
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