Test Bank for Organic Chemistry 9th Edition by McMurry All Chapters 1-31

,Chapter 01 - Structure and Bonding
G G G G G




Test Bank
Organic Chemistry 9th Edition
by McMurry All Chapters 1-31


1. Givethe ground-state electron configuration for carbon (atomic number 6).
G G G G G G G G G




ANSWER: 1s22s22px12py1 or 1s22s22p2 G G




POINTS: 1

2. Give the ground-state electron configuration for fluorine (atomicnumber 9).
G G G G G G G G G




ANSWER: 1s22s22px2 2py2 2p 1zor 1s22s22p5 G G G G G




POINTS: 1

3. Give the ground-stateelectron configuration for magnesium (atomicnumber 12).
G G G G G G G G G




ANSWER: 1s22s22p63s2
POINTS: 1

4. How many electrons does silicon have in its valenceshell?
G G G G G G G G G




ANSWER: four
POINTS: 1

Exhibit 1-1 G




Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all non-bonding electrons.
G G G G G G G G G G G G G G G G G G




5. C2Cl4 tetrachloroethylene
G




ANSWER:




POINTS: 1

6. CO2 carbon dioxide
G G G




ANSWER:
POINTS: 1

7. CH4O methanol
G G




ANSWER:
Cengage Learning Testing, Powered by Cognero
G G G G G Page 1
G

,Chapter 01 - Structure and Bonding
G G G G G




POINTS: 1

Exhibit 1-2
G




Consider the structure of urea, shown below, to answer the following question(s).
G G G G G G G G G G G




8. Referto Exhibit 1-2. Fill in any non-bonding valenceelectrons that are missing from the line-bond structure.
G G G G G G G G G G G G G G G G




Cengage Learning Testing, Powered by Cognero
G G G G G Page 2
G

, Chapter 01 - Structure and Bonding
G G G G G




ANSWER:


POINTS: 1

9. Refer to Exhibit 1-2. The carbon atom in urea is:
G G G G G G G G G




a. sp3 hybridizedG




b. sp hybridized2
G




c. sp hybridized
G




d. not hybridized G




ANSWER: b
POINTS: 1

10. Refer to Exhibit 1-2. The predicted NH2−C=O bond angle in urea is:
G G G G G G G G G G G




a. 109.5°
b. 120°
c. 180°
d. not predictable G




ANSWER: b
POINTS: 1

Exhibit 1-3
G




Determinethe hybridization for the indicated atoms in each structure below.
G G G G G G G G G G




11. Refer to Exhibit 1-3. The hybridization of this oxygen atom (A) is
G G G G G G G G G G G G .
ANSWER: sp2
POINTS: 1

12. Refer to Exhibit 1-3. The hybridization of this oxygen atom (B) is
G G G G G G G G G G G G .
ANSWER: sp3
POINTS: 1

13. Refer to Exhibit 1-3. The hybridization of this carbon atom (C) is
G G G G G G G G G G G G .
ANSWER: sp3
POINTS: 1

14. Refer to Exhibit 1-3. The hybridization of this carbon atom (D) is
G G G G G G G G G G G G .
ANSWER: sp
POINTS: 1
Cengage Learning Testing, Powered by Cognero
G G G G G Page 3
G