Test Bank For Essential Organic Chemistry 14th Edition All Chapters - 9780137533268.pdf

Chapteru1u CovalentuBondinguanduShapesuofuMolecules


MultipleuChoice

1. WhichuisutheuelectronicuconfigurationuthatudescribesuMg2+?u (Sec.u1.2)


a) 1s2,u2s2
b) 1s2,u2s2,u2p6
c) 1s2,u2s2,u2p6,u3s2
d) 1s2,u2s2,u2p6,u3s2,u3p6

2. WhichuisutheuelectronicuconfigurationuthatudescribesuC?u (Sec.u1.2)

a) 1s2,u2s2,u2p5
b) 1s2,u2s2,u2p6,u3s2
c) 1s2,u2s2,u2p2
d) 1s2,u2s2,u2p6

3. Whichuionuisudescribedubyutheuelectronicuconfigurationu1s22s22p63s23p2?u (Sec.u1.2)

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

4. Whichuatomuisudescribedubyutheuelectronuconfigurationu1s22s22p63s23p7?u (Sec.u1.2)

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


5. WhichuatomuisudescribedubyutheuLewisustructureu
u Au u?u (Sec.u1.2)

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


6. WhichuatomuisudescribedubyutheuLewisustructureu u
Au ?u (Sec.u1.2)

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

7. Whichumoleculesucontainubothucovalentuanduionicubonds?u (Sec.u1.3)

CH3OH Na2CO3 NH4Cl NaCl
uI uII uIII uIV



a) I,uII
b) II,uIV
c) I,uII,uIV
d) II,uIII



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, Chapteru1u CovalentuBondinguanduShapesuofuMolecules



8. Arrangeutheubondsuinuincreasinguorderuofuionicucharacteru(leastufirst).u (Sec.u1.3)

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

a) III,uI,uIV,uII,uV
b) V,uIII,uI,uII,uIV
c) I,uIII,uV,uIV,uII
d) I,uIII,uII,uIV,uV

9. WhichuLewisustructureuisucorrect?u (Sec.u1.3)

H H H .. :O: ..
u
u

a) Hu uCu uOH c) H
b) H
H .O. O.. u
H d) H O C O
.. .. H
H
.C. .C.

10. WhichuLewisustructuresuareucorrect?u (Sec.u1.3)

H H H H
Hu u O u uOu u H Hu u Nu u Nu uH H Nu Hu u Cu
uOuH u CluH

I II III IV

a) I,uII
b) II,uIV
c) III,uIV
d) I,uIII


11.u Whichumoleculesuareupolar?u (Sec.u1.5)
NH3 CO2 H2O CH4 Br2

I II III IV V

a) I,uIV
b) I,uIII
c) II,uIII,uIV
d) III,uIV,uV




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, Chapteru1u CovalentuBondinguanduShapesuofuMolecules


12. Whichumoleculesuareupolar?u (Sec.u1.5)

O
H2Cu u CH2 C CH2Cl2 H3Cu CH3OH
H
I III CH3uI V
HuII
u u u
u
a) III,uIV,uV
b) I,uIV
c) II,uIII,uV V
d) I,uIII



13. WhichufunctionalugroupsuhaveucorrectuLewisustructures?u (Sec.u1.3)

O
Cu u Ou u H Cu u O Cu u Ou u H

carbonyl carboxyl
hydroxyl
uIII
uI uII




a) I,uII
b) II,uIII
c) I,uII,uIII
d) I,uIII

14. WhichuisutheucorrectuLewisustructureuforuaceticuacidu(CH3CO2H)?u (Sec.u1.3)

Hu u O H O H O Ou u u H
Hu u Cu u Cu Hu uCu u Cu Hu u Cu u Ou H Hu u Ou u Cu u Cu
u uOH H u u OH H u uCH HH
u u




a) b) c) d)

15. UsingutheuVSEPRumodel,upredictuwhichuatomsuhaveubonduanglesuofuaboutu120°.u (Sec.u1.4)

O
C CH3OH CH2u u CH2 NH4Cl
H3C H

I II III IV

a) II,uIV
b) I,uIV
c) II,uIII
d) I,uIII




3

, Chapteru1u CovalentuBondinguanduShapesuofuMolecules


16. AccordingutouVSEPRumodel,uwhatuisuyourupredictionuforutheuarrangementuofuelectronupairsuforuCHu3-?u (Sec.u1.4)

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


17. UsingutheuVSEPRumodel,upredictuwhichuspeciesuhaveubonduanglesuofuaboutu109°.u (Sec.u1.4)

NH3 CO2 H2O H3O+

O3uI II III

IV V
a) I,uIII,uIV
b) II,uIII,uV
c) I,uIV
d) III,uIV,uV


18. WhatuisutheucorrectustructureuforutheualdehydeuwhichuhasutheuformulauC4H8O?u (Sec.u1.3)

OH O
a) CH3 CH CHu b) CH3 C CH2 CH3
u C
H2
O
u


c) CH3 CH2 CH2 CH d) H2Cu u CHu u CH2u u Ou u CH3

19. Nitrogenuhasuaunegativeuformaluchargeuinuwhichuofutheufollowingucompounds?u (Sec.u1.3)

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

20. WhatuisutheuformaluchargeuofuoxygenuinuH3O+?u (Sec.u1.3)

a) –1
b) 0
c)u+1
d)u+2

21. Whatuisutheuformaluchargeuofuindicateducarbonuin,



(Sec.u1.3)
a) –2
b) –1
c) 0
d)u+1
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