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Alcohols, Phenols and Ethers - 3
1.
The reaction in which Diethyl ether is formed by reaction of ethyl alcohol with Na metal followed by its reaction with ethyl bromide is called _______________.
a) Williamsons synthesis
b) Phenyl acetate
c) 2,4,6 - tribromophenol
d) Methoxy ethane
2.
Aqueous solution of phenol reacts with Br
2
water to give white ppt of ______________.
a) Carboxylic acid
b) 2,4,6 - tribromophenol
c) Alcohol
d) Williamsons synthesis
3.
Starch is hydrolyzed by enzyme _______________.
a) Bakelite
b) Diastase
c) C-O
d) Ketone
4.
Methanol and ethanol are distinguished by __________________.
a) Phenyl acetate
b) lodoform test
c) Bakelite
d) Dows process
5.
When 2 pentanol undergoes oxidation the product is
a) 2-pentanone
b) pentanoic acid
c) Pentanal
d) 3-pentanone
6.
Treatment of ethanol with Cr
2
O
7
in acid yields compound A which reacts further to give B. The identities of A and B respectively are
a) CH
3
COCH
3
and CH
3
COOH
b) CH
3
CHO and CH
3
OCH
3
c) CH
3
OCH
3
and CH
3
-CH
3
d) CH
3
CHO and CH
3
COOH
7.
When ether are protonated, the conjugate acid formed is called
a) A hydronium ion
b) An oxide ion
c) Carbon ion
d) An oxonium ion
8.
All of the following would give ethyl alcohol on fermentation except
a) Cholestrol
b) Fruit juices
c) Starch grain
d) Molasses
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