Q: Which of the following is the most stable carbocation?

Tertiary carbocation $$\left(\text{R}_3\text{C}^+\right)$$

Q: Which of the following is the correct order of acidity for the following compounds? $$\text{CH}_3\text{COOH}$$, $$\text{CH}_3\text{OH}$$, $$\text{C}_2\text{H}_5\text{OH}$$

$$\text{CH}_3\text{COOH} \u003e \text{CH}_3\text{OH} \u003e \text{C}_2\text{H}_5\text{OH}$$

Q: Which of the following is the correct structure for 2-methyl-2-butene?

$$\text{CH}_2=\text{C}(\text{CH}_3)\text{CH}_2\text{CH}_3$$

Q: Which of the following is the correct order of reactivity towards nucleophilic substitution for the following alkyl halides? $$\text{CH}_3\text{Cl}$$, $$\text{CH}_3\text{Br}$$, $$\text{CH}_3\text{I}$$

$$\text{CH}_3\text{I} \u003e \text{CH}_3\text{Br} \u003e \text{CH}_3\text{Cl}$$

Question 1

Which of the following statements about aromaticity is CORRECT?

Accepted Answer

Aromatic compounds must have a planar, cyclic structure with $$4n+2$$ $$	ext{\pi}$$ electrons, where $$n is an $$integer.

Question 2

Which of the following is the correct IUPAC name for the compound shown below?

$$	ext{CH}_3-	ext{CH}_2-	ext{CH}_2-	ext{CH}_2-	ext{OH}$$

Accepted Answer

1-Butanol

Question 3

Which of the following compounds will NOT exhibit geometric (cis-trans) isomerism?

Accepted Answer

1-Butene

Question 4

Which of the following is the most stable carbocation?

Accepted Answer

Tertiary carbocation $$\left(	ext{R}_3	ext{C}^+ight)$$

Question 5

Which of the following reagents can be used to distinguish between an aldehyde and a ketone?

Accepted Answer

Tollens' reagent

Question 6

Which of the following is the correct order of acidity for the following compounds?

$$	ext{CH}_3	ext{COOH}$$, $$	ext{CH}_3	ext{OH}$$, $$	ext{C}_2	ext{H}_5	ext{OH}$$

Accepted Answer

$$	ext{CH}_3	ext{COOH} \u003e 	ext{CH}_3	ext{OH} \u003e 	ext{C}_2	ext{H}_5	ext{OH}$$

Question 7

Which of the following statements about SN1 and SN2 reactions is TRUE?

Accepted Answer

SN1 reactions are favored by polar protic solvents.

Question 8

Which of the following compounds will give a positive iodoform test?

Accepted Answer

Ethanol

Question 9

Which of the following is the correct product of the reaction of benzene with bromine in the presence of FeBr$$_3$$?

Accepted Answer

Bromobenzene

Question 10

Which of the following is the correct structure for 2-methyl-2-butene?

Accepted Answer

$$	ext{CH}_2=	ext{C}(	ext{CH}_3)	ext{CH}_2	ext{CH}_3$$

Question 11

Which of the following statements about the Diels-Alder reaction is CORRECT?

Accepted Answer

It forms a six-membered ring.

Question 12

Which of the following is the correct order of reactivity towards nucleophilic substitution for the following alkyl halides?

$$	ext{CH}_3	ext{Cl}$$, $$	ext{CH}_3	ext{Br}$$, $$	ext{CH}_3	ext{I}$$

Accepted Answer

$$	ext{CH}_3	ext{I} \u003e 	ext{CH}_3	ext{Br} \u003e 	ext{CH}_3	ext{Cl}$$

Question 13

Which of the following is the correct product when 2-butanol is oxidized with potassium dichromate ($$	ext{K}_2	ext{Cr}_2	ext{O}_7) in $$acidic medium?

Accepted Answer

2-Butanone

Question 14

Which of the following is the correct order of basicity for the following compounds?

Aniline, Ammonia, Dimethylamine

Accepted Answer

Dimethylamine \u003e Ammonia \u003e Aniline

Question 15

Which of the following statements about electrophilic aromatic substitution is TRUE?

Accepted Answer

The reaction proceeds via a carbocation intermediate.

Question 16

Which of the following is the correct product of the reaction of ethene with cold, dilute potassium permanganate ($$	ext{KMnO}_4$$)?

Accepted Answer

Ethylene glycol

Question 17

Which of the following is the correct IUPAC name for the compound below?

$$	ext{CH}_3	ext{CH}_2	ext{COOH}$$

Accepted Answer

Propanoic acid

Question 18

Which of the following is the correct product when benzene reacts with methyl chloride ($$	ext{CH}_3	ext{Cl}) in $$the presence of AlCl$$_3$$?

Accepted Answer

Toluene

Question 19

Which of the following is the correct order of boiling points for the following compounds?

Methanol, Ethanol, Propanol

Accepted Answer

Propanol \u003e Ethanol \u003e Methanol

Question 20

Which of the following is the correct product when acetic anhydride reacts with ethanol?

Accepted Answer

Ethyl acetate

Organic Chemistry Multiple Choice Review: Nomenclature, Structure, and Reactivity

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