Alcohols( Identification of Primary, Secondary,...) NEET Questions

Organic Chemistry - Organic Compounds Containing Oxygen

Alcohols( Identification of Primary, Secondary,...) MCQ Questions


13.
How many isomeric tertiary alcohols are possible with the molecular formula C₅H₁₂O?
A.
4
B.
2
C.
3
D.
1
😑 View Answer Rough Work Error
ANSWER :
D. 1
14.
How many primary alcohols (excluding stereoisomers) are possible with the molecular formula C₄H₁₀O?
A.
3
B.
4
C.
2
D.
1
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ANSWER :
C. 2
15.
The compound (CH₃)₂CH–CH(OH)–CH₃ is:
A.
A secondary alcohol
B.
A primary alcohol
C.
An allylic alcohol
D.
A tertiary alcohol
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ANSWER :
A. A secondary alcohol
16.
Which of the following is a tertiary allylic alcohol?
A.
CH₂=CH–C(CH₃)₂–OH
B.
CH₃–CH=CH–OH
C.
CH₂=CH–CH(CH₃)–OH
D.
CH₂=CH–CH₂–OH
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ANSWER :
A. CH₂=CH–C(CH₃)₂–OH
17.
Which of the following alcohols cannot be oxidised to either an aldehyde or a ketone under usual conditions?
A.
CH₃CH₂OH
B.
(CH₃)₃C–OH
C.
CH₃CH(OH)CH₃
D.
C₆H₅CH₂OH
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ANSWER :
B. (CH₃)₃C–OH
18.
On oxidation with PCC, a primary alcohol gives:
A.
A ketone
B.
An ester
C.
An aldehyde
D.
A carboxylic acid
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ANSWER :
C. An aldehyde