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

When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

Question # 2

Dehydration of ethyl alcohol yields

Question # 3

Compound X has molecular formula C10H14O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X

Question # 4

Rectified spirit contains alcohol about

Question # 5

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

Question # 6

Which one of the following correctly describes the acid properties of phenol

Question # 7

which enzyme is not involved in the fermentation of starch ?

Question # 8

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

Question # 9

Diethyl ether is obtained by Williamsons synthesis using

Question # 10

Dow's process is used for the preparation of

Question # 11

Which the increase in carbon number of solubility of an alcohol

Question # 12

Which of the following is known as wood spirit

Question # 13

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 14

To prepare ethanol by fernentation the optimum temp. is

Question # 15

Methanol and ethanol can be distinguished by

Question # 16

Which compound shows hydrogen bonding

Question # 17

Methyl alcohol is not used:

Question # 18

Which of the following is used as anesthetics

Question # 19

Which of the following compound is known as oil of winter green?

Question # 20

In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X

Question # 21

Phenol is more readily soluble in

Question # 22

Alcohols, phenols and ethers may be considered as derivative of

Question # 23

Which of the following is an isomer of ethanol

Question # 24

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

Question # 25

If an electrophile attacks then ______ bond breaks first

Question # 26

Alcohol can be denaturated by adding:

Question # 27

Which statement in not correct about alcohol?

Question # 28

Alcohals can be distinguished using test:

Question # 29

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 30

Phenol was discovered by:

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 An alcohol with molecular formula CnH2n+1OH has a chiral carbon atom but does not react with MnO-4/H+what is the least number of carbon atoms such an alcohol could possess
A. 5
B. 6
C. 7
D. 8
2 The formula of secondary alcohol is
A. R - OH
B. R - CH2OH
C. R2CHOH
D. R3COH
3 Carbolic acid is the other name for
A. Methanol
B. Ethanol
C. Propanol
D. Phenol
4 Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid
5 Alcohol fermentation is brought about by the action of
A. CO2
B. O2
C. Invertase
D. Yeast
6 Methyl alcohol is not used
A. As a solvent
B. A an anti-freezing agent
C. As a substitute for petrol
D. For denaturing of ethyl alcohol
7 When phenol is distilled with zinc dust. It is reduced to
A. Benzene
B. Benzaldehyde
C. Toluene
D. Hexanol
8 How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH
A. 1
B. 2
C. 3
D. 4
9 Primary and secondary alcohols on action of red hot copper give
A. Aldehydes and ketones respectilvely
B. ketones and aldehydes respectively
C. Only aldehydes
D. Only ketones
10 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
A. Primary alcohol
B. Tertiary alcohol
C. alkene
D. ether

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