ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

Try The MCQ's Test For ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

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Question # 1

Which of the following groups will increase the acidity of phenol?

Question # 2

Salol is prepared from

Question # 3

Propanone is the product obtained by dehydrogenation of

Question # 4

Which of the following cannot be produced by acidic dehydration of alcohols?

Question # 5

Alcohol can be denaturated by adding:

Question # 6

Grignard reagent on reaction with a ketone forms

Question # 7

Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch

Question # 8

Ethanol containing some methanol is called

Question # 9

The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called

Question # 10

When sodium metal reacts with alcohols

Question # 11

The boiling point of glycerol is more than propanal because of

Question # 12

A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

Question # 13

Which bond shows maximum hydrogen bonding with water?

Question # 14

Methyl alcohol is not used

Question # 15

On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is

Question # 16

The organic compounds which derivative of hydrocarbons due to oxygen is:

Question # 17

Dehydration of ethyl alcohol yields

Question # 18

According to Lewis concept ethers behave as:

Question # 19

Picric acid is

Question # 20

How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH

Question # 21

Taste of lower alcohols is:

Question # 22

Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes

Question # 23

Which of the following compounds will not react with sodium metal to release hydrogen

Question # 24

Which of the following is weakly acidic in nature

Question # 25

In Lucas test primary alcohol make as oily layer

Question # 26

Phenol gives ---------- Colour with neutral FeCl3solution

Question # 27

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2

Question # 28

Glucose in the presence of zymase is converted into

Question # 29

Phenol is more readily soluble in

Question # 30

Concentration of rectified spirit is:

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
2 Alcohol fermentation is brought about by the action of
A. CO2
B. O2
C. Invertase
D. Yeast
3 Rectified spirit contains alcohol about
A. 80%
B. 85%
C. 90%
D. 95%
4 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
5 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3- O - CH3
D. C2H5OH
6 Which more acidic?
A. o-cresol
B. p-nitrophenol
C. phenol
D. m-cresol
7 Alcohals can be distinguished using test:
A. Lucas
B. Tollen's
C. Koib's
D. William's
8 Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7
A. Butan-1-ol
B. Butan-2-ol
C. 2-methyl propan-1-ol
D. 2-methyl propan-2-ol
9 Which one of the following correctly describes the acid properties of phenol
A. Stronger than HCI
B. Stronger than carboxylic acid
C. An acid stronger than carbonic acid
D. An acid weaker than carboxylic acid
10 In Lucas test primary alcohol make as oily layer
A. Immediately
B. In 10 mins
C. On heating
D. Not

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