Question 1

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

Accepted Answer

Question 2

What is the smallest trans cycloalkene that is stable at room temperature?

Accepted Answer

A)   (
E)  -cyclohexene
B)   (
E)  -cycloheptene
C)   (
E)  -cyclooctene
D)   (
E)  -cyclodeceneE) A) and B)
F) A) and C)

Question 3

A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________.
C10H?ClN2O

Accepted Answer

Question 4

The presence of both rings and pi bonds contribute to the index of hydrogen deficiency in a compound.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

Accepted Answer

A)   C5H8N2
B)   C5H11N
C)   C6H11N
D)   C5H13NO2E) B) and C)
F) A) and D)

Question 6

Which is the correct assignment of the names of the following groups?

Accepted Answer

A)   1 = methylene; 2 = vinyl; 3 = phenyl
B)   1 = vinyl; 2 = propargyl; 3 = benzyl
C)   1 = allyl; 2 = vinyl; 3 = benzyl
D)   1 = vinyl; 2 = allyl; 3 = phenylE) B) and C)
F) A) and D)

Question 7

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?

Accepted Answer

A)   C5H8O2
B)   C5H10O
C)   C6H15N
D)   C5H10Br2E) A) and B)
F) C) and D)

Question 8

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

Accepted Answer

A)   −COOH
B)   −Cl
C)   −CH2OH
D)   −CH3E) B) and C)
F) A) and B)

Question 9

What is the IUPAC name of the following compound?

Accepted Answer

1,6-dimeth...

Question 10

(3E)-3,7-dimethyl-1,3,6-octatriene can be represented by either of the following two formulas.

Accepted Answer

A) True 
 B)False

Question 11

What is the hybridization of carbon atoms labeled i − iii in the following structure? 2; ii = sp2; iii = sp2 B)  i = sp; ii = sp; iii = sp3 C)  i = sp2; ii = sp; iii = sp3 D)  i = sp2; ii = sp2; iii = sp3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   i = sp2; ii = sp2; iii = sp2
B)   i = sp; ii = sp; iii = sp3
C)   i = sp2; ii = sp; iii = sp3
D)   i = sp2; ii = sp2; iii = sp3E) A) and B)
F) All of the above

Question 12

What is the IUPAC name of the following compound?

Accepted Answer

(E)-4-chlo...

Question 13

How many constitutional isomeric alkenes are there with the formula C6H12?

Accepted Answer

A)   9
B)   11
C)   12
D)   13E) None of the above
F) B) and D)

Question 14

What is the IUPAC name of the following compound?

Accepted Answer

(Z)-3-chlo...

Question 15

What is the IUPAC name of the following compound?

Accepted Answer

A)   1,3-dimethylcyclopentene
B)   1,4-dimethylcyclopentene
C)   2,4-dimethylcyclopentene
D)   1,3-dimethyl-5-cyclopenteneE) None of the above
F) B) and C)

Question 16

What is the IUPAC name of the following compound?

Accepted Answer

A)   2-methylenepentane
B)   2-methyl-1-pentene
C)   2-vinylpentane
D)   2-propyl-1-propeneE) A) and B)
F) B) and D)

Question 17

What is the IUPAC name of the following compound?

Accepted Answer

3,4-dimeth...

Question 18

What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

Accepted Answer

A)   0
B)   1
C)   2
D)   3E) B) and D)
F) B) and C)

Question 19

Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

Accepted Answer

The answer of Provide the bond-line structure of (2Z,6E)-octa-2,6-diene....

Question 20

Which of the following compounds has a hydrogen deficiency of 3?

Accepted Answer

A)   only 1
B)   only 2
C)   only 3 and 4
D)   only 1,3 and 4E) A) and B)
F) C) and D)

Exam 5: Alkenes: Bonding, Nomenclature, and Properties

How many constitutional isomeric alkenes are there with the formula C6H12?

Correct AnswerverifiedShow Answer

A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________. C10H?ClN2O

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What is the IUPAC name of the following compound?

Correct Answerverified3,4-dimeth...View AnswerShow Answer

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

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What is the IUPAC name of the following compound?

Correct Answerverified(E)-4-chlo...View AnswerShow Answer

Which is the correct assignment of the names of the following groups?

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What is the smallest trans cycloalkene that is stable at room temperature?

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Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?

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What is the IUPAC name of the following compound?

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The presence of both rings and pi bonds contribute to the index of hydrogen deficiency in a compound.

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Which of the following compounds has a hydrogen deficiency of 3?

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What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

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Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

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What is the hybridization of carbon atoms labeled i − iii in the following structure?

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What is the IUPAC name of the following compound?

Correct Answerverified1,6-dimeth...View AnswerShow Answer

What is the IUPAC name of the following compound?

Correct Answerverified(Z)-3-chlo...View AnswerShow Answer

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

Correct AnswerverifiedShow Answer

(3E)-3,7-dimethyl-1,3,6-octatriene can be represented by either of the following two formulas.

Correct AnswerverifiedShow Answer

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

Correct AnswerverifiedShow Answer

What is the IUPAC name of the following compound?

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How many constitutional isomeric alkenes are there with the formula C₆H₁₂?

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A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________. C₁₀H_?ClN₂O

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3,4-dimeth...
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(E)-4-chlo...
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What is the index of hydrogen deficiency of a compound with a molecular formula of C₆H₈?

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1,6-dimeth...
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(Z)-3-chlo...
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What is the value of the index of hydrogen deficiency of a molecule with the formula C₉H₁₀?

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