Question 1

Which type of isomerism is described as isomers containing identical bonds but differing in the orientation of those bonds in space?

Accepted Answer

A) Stereoisomers 
B) Geometrical isomers 
C) Constitutional isomers 
D) Conformational isomers 
E) Connectivity isomers 
A) Stereoisomers 
B) Geometrical isomers 
C) Constitutional isomers 
D) Conformational isomers 
E) Connectivity isomers

Question 2

Which has resonance structures?

Accepted Answer

A) CH4 
B) CH3CH2COO− 
C) CH3CH2CH3 
D) CH3OH 
E) CH3NH3+ 
A) CH4 
B) CH3CH2COO− 
C) CH3CH2CH3 
D) CH3OH 
E) CH3NH3+

Question 3

Organic chemistry is defined as the study of compounds containing which element?

Accepted Answer

A) Carbon 
B) Silicon 
C) Hydrogen 
D) Sodium 
E) Carbon and hydrogen 
A) Carbon 
B) Silicon 
C) Hydrogen 
D) Sodium 
E) Carbon and hydrogen

Question 4

What name is given to a compound containing a hydroxyl group?

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Amine 
E) Ester 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Amine 
E) Ester

Question 5

Vanillin is a flavoring agent which occurs naturally in the vanilla bean,the seed of an orchid. Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Carbonyl 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Carbonyl

Question 6

Which is the correct name for the molecule depicted below?

Accepted Answer

A) 2,4,5-tripropylheptane 
B) 6-methyl-3,4-dipropylnonane 
C) 4-ethyl-5,7-dipropyloctane 
D) 5-ethyl-2,4-dipropyloctane 
E) 4-ethyl-7-methyl-5-propyldecane 
A) 2,4,5-tripropylheptane 
B) 6-methyl-3,4-dipropylnonane 
C) 4-ethyl-5,7-dipropyloctane 
D) 5-ethyl-2,4-dipropyloctane 
E) 4-ethyl-7-methyl-5-propyldecane

Question 7

Which type of functional group does not include a carbonyl group in its structure?

Accepted Answer

A) carboxylic acid 
B) ether 
C) ketone 
D) aldehyde 
E) ester 
A) carboxylic acid 
B) ether 
C) ketone 
D) aldehyde 
E) ester

Question 8

Which of the following is a ketone?

Accepted Answer

A) CH3CH2COCH3 
B) CH3CH2CHO 
C) CH3OCH3 
D) CH3CH2COOH 
E) H2C=C=CH2 
A) CH3CH2COCH3 
B) CH3CH2CHO 
C) CH3OCH3 
D) CH3CH2COOH 
E) H2C=C=CH2

Question 9

What name is given to a compound containing a -CONH2 group?

Accepted Answer

A) Aldehyde 
B) Amine 
C) Amide 
D) Carboxylic acid 
E) Ester 
A) Aldehyde 
B) Amine 
C) Amide 
D) Carboxylic acid 
E) Ester

Question 10

One source of a musky odor in perfumes is civetone,a compound extracted from the scent gland of the civet cat.Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Oxide 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Oxide

Question 11

The backbone of a strand of nucleic acid consists of

Accepted Answer

A) phosphate units only. 
B) phosphate and sugar units. 
C) polyester. 
D) phosphate,sugar,and nitrogen base units. 
E) sugar units only. 
A) phosphate units only. 
B) phosphate and sugar units. 
C) polyester. 
D) phosphate,sugar,and nitrogen base units. 
E) sugar units only.

Question 12

How many secondary carbons does the following molecule have?   .

Accepted Answer

A) 0 
B) 1 
C) 3 
D) 5 
E) 7 
A) 0 
B) 1 
C) 3 
D) 5 
E) 7

Question 13

The group of atoms that is responsible for the characteristic properties of a family of organic compounds is called a/an ________ group.

Accepted Answer

A) hydrocarbon 
B) functional 
C) ether 
D) enzyme 
E) polyatomic ion 
A) hydrocarbon 
B) functional 
C) ether 
D) enzyme 
E) polyatomic ion

Question 14

What is the name of the following compound?

Accepted Answer

A) Pentanal 
B) 2-Methylbutanoic acid 
C) 2-Ethylbutanal 
D) 2-Ethylbutanoic acid 
E) 3-Methylpentanal 
A) Pentanal 
B) 2-Methylbutanoic acid 
C) 2-Ethylbutanal 
D) 2-Ethylbutanoic acid 
E) 3-Methylpentanal

Question 15

What name is given to a compound containing a -COOH group?

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester

Question 16

The monomer used to prepare polyvinyl chloride (PVC)is

Accepted Answer

A) CH2=CH2. 
B) CH3CH2Cl. 
C) CH2=CCl2. 
D) CH2=CHCl. 
E) CF2=CF2. 
A) CH2=CH2. 
B) CH3CH2Cl. 
C) CH2=CCl2. 
D) CH2=CHCl. 
E) CF2=CF2.

Question 17

Urea carries waste nitrogen from the body in urine.Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Alcohol 
C) Carboxyl 
D) Amine 
E) Amide 
A) Aldehyde 
B) Alcohol 
C) Carboxyl 
D) Amine 
E) Amide

Question 18

Which is the formula of a ketone?

Accepted Answer

A) CH3CHO 
B) CH3OCH3 
C) CH3COCH3 
D) CH3COOH 
E) HC≡CH 
A) CH3CHO 
B) CH3OCH3 
C) CH3COCH3 
D) CH3COOH 
E) HC≡CH

Question 19

What name is given to a compound containing a -COOR group?

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester

Question 20

What name is given to a compound containing a -CHO group?

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Ester

Exam 25: Organic Chemistry

Which type of isomerism is described as isomers containing identical bonds but differing in the orientation of those bonds in space?

Which has resonance structures?

Organic chemistry is defined as the study of compounds containing which element?

What name is given to a compound containing a hydroxyl group?

Vanillin is a flavoring agent which occurs naturally in the vanilla bean,the seed of an orchid. Identify the functional group circled.

Which is the correct name for the molecule depicted below?

Which type of functional group does not include a carbonyl group in its structure?

Which of the following is a ketone?

What name is given to a compound containing a -CONH2 group?

One source of a musky odor in perfumes is civetone,a compound extracted from the scent gland of the civet cat.Identify the functional group circled.

The backbone of a strand of nucleic acid consists of

How many secondary carbons does the following molecule have? .

The group of atoms that is responsible for the characteristic properties of a family of organic compounds is called a/an ________ group.

What is the name of the following compound?

What name is given to a compound containing a -COOH group?

The monomer used to prepare polyvinyl chloride (PVC)is

Urea carries waste nitrogen from the body in urine.Identify the functional group circled.

Which is the formula of a ketone?

What name is given to a compound containing a -COOR group?

What name is given to a compound containing a -CHO group?

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Reactions in Aqueous Solutions

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What name is given to a compound containing a -CONH₂ group?