Alcohols, Phenols and Ethers: MCQs Test – 1 3

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Topic: Alcohols, Phenols and Ethers, Test No.: 01, Total MCQs: 10

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Question 1
Acid catalysed hydration of alkenes except ethene leads to the formation of
A
mixture of secondary and tertiary alcohols
B
mixture of primary and secondary alcohols
C
secondary or tertiary alcohol
D
primary alcohol
Question 2
Among the alkenes which one produces tertiary butyl alcohol on acid hydration
A
(CH3)2C = CH2
B
CH3 – CH = CH – CH3
C
CH3 – CH2 – CH = CH2
D
CH3 – CH = CH2
Question 3
Among the following, which is least acidic?
A
phenol
B
o-cresol
C
p-nitrophenol
D
p-chlorophenol
Question 4
An ether is more volatile than an alcohol having the same molecular formula. This is due to 
A
dipolar character of ethers
B
alcohols having resonance structures
C
inter-molecular hydrogen bonding in ethers
D
inter-molecular hydrogen bonding in alcohols
Question 5
An organic compound A containing C, H and O has a pleasant odour with boiling point of 78°C. On boiling A with concentrated H2SO4, a colourless gas is produced gas is produced which decolourises bromine water and alkaline KMnO4. The organic liquid A is
A
C2H5COOCH3
B
C2H5OH
C
C2H5Cl
D
C2H6
Question 6
An organic compound A(C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative then, A is:
A
iso-butyl chloride
B
secondary butyl chloride
C
t-butyl chloride
D
n-butyl chloride
Question 7
An oxygen containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is ______.
A
a ketone
B
an aldehyde
C
a primary alcohol
D
a secondary alcohol
Question 8
Anisole can be prepared by the action of methyl iodide on sodium phenate. The reaction is called
A
Fittig’s reaction
B
Williamson’s reaction
C
Wurtz’s reaction
D
Etard’s reaction
Question 9
Catalytic dehydrogenation of a primary alcohol gives a
A
ketone
B
aldehyde
C
secondary alcohol
D
ester
Question 10
Chloro ethane reacts with X to form diethyl ether. What is X
A
NaOH
B
H2SO4
C
C2H5ONa
D
Na2S2O3
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