CHEM R112 – Lab quiz 1



CHEM V21 – Exam 2 Ventura College Fall 2005

Instructor: Qin Zhou

STUDENT NAME __________________________

DATE: October 11, 2005

CREDIT: Part I --- Multiple Choices. (34 pt.) ___________

Part II --- Nomenclature. (36 pt.) ___________

Part III --- Reactions. (30 pt.) ___________

Part IV --- Bonus. (10 pt.) ___________

TOTAL ___________

Part I. Multiple Choices. Each question shall have only ONE correct answer. Circle the answer you think is right.

1. Which of the following compounds is (are) capable of hydrogen bonding with water?

I. 1-pentanol II. 1,3-butanediol III. ethene IV. diethyl ether

A) All of them; B) I and II;

C) I, II, and IV; D) I, II, and III.

2. Which of the following compounds will produce a ketone (in a one-step reaction)?

I. 1-hexanol II. 2-methyl-2-pentanol III. 2-butanol

A) I; B) II;

C) III; D) none of the above.

3. Place the following compounds in the order of decreasing solubility in water:

I. pentanol II. propanol III. sodium acetate IV. pentane

A) III>II>I>IV; B) III>I>II>IV;

C) II>III>I>IV; D) I>II>III>IV.

4. Which of the following compounds are capable of hydrogen bonding between individual molecules of the same compound?

I. 2-pentanol II. m-bromophenol III. butanal IV. diethyl ether

A) I and III; B) I and II;

C) all of the above; D) none of the above.

5. Place the following compounds in the order of decreasing basicity:

I. NH3 II. CH3NH2 III. C6H5NH2 IV. NaOH

A) IV>I>III>II; B) IV>III>II>I;

C) IV>II>I>III; D) IV>I>II>III.

6. Arrange the following in the order of decreasing acidity:

I. HOCH2CH2CH3 II. C6H5OH III. HOOCCH3

A) III>II>I; B) III>I>II;

C) II>III>I; D) I>II>III.

7. Considering the following structures. Which statement is true?

[pic] [pic]

A) They are the same compound

B) they are different compounds that are constitutional isomers

C) they are different compounds that are geometrical isomers

D) they are different compounds that are not isomers

8. What are the products of the acid hydrolysis of an ester?

A) an alcohol and an aldehyde;

B) an alcohol and a ketone;

C) an alcohol and an acid;

D) an alcohol and an acid salt.

9. Which of the following can turn a red litmus paper into blue?

A) formic acid B) m-ethylphenol C) sodium acetate D) propanol

10. A Ketone is a constitutional isomer of an _______ that contains the same number of carbons.

A) alcohol B) aldehyde

C) carboxylic acid D) ester

11. Arrange the following in the order of increasing boiling point:

I. HCOOH II. CH3OCH3 III. CH3CH2CH3 IV. CH3CH2OH

A) III ................
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