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

The only alcohol that can be prepared by the indirect hydration of alkene is

Question # 2

The malt-sugar in the presence of yeast or invertase gives

Question # 3

3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and on mole of X. Which of the following is X?

Question # 4

Which the increase in carbon number of solubility of an alcohol

Question # 5

When phenol is distilled with zinc dust. It is reduced to

Question # 6

Alcohol can be denaturated by adding:

Question # 7

Alcohols react with carboxylic acid to produce the class of compounds known as

Question # 8

Salol is prepared from

Question # 9

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 # 10

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 11

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Question # 12

The organic compounds which are derivative of hydrocarbons of oxygen are:

Question # 13

Sodium phenoxide reacts with CO2at 400 K and 4.7 atm pressure to give

Question # 14

Which compound is more soluble in water

Question # 15

Which compound is called a universal solvent?

Question # 16

Which compound will not dissolve in H2O

Question # 17

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 18

Glucose in the presence of zymase is converted into

Question # 19

Phenols are derivative of:

Question # 20

Primary and secondary alcohols on action of red hot copper give

Question # 21

During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is

Question # 22

Which of the following is weakly acidic in nature

Question # 23

Phenol is used in the preparation of

Question # 24

Methyl alcohol is not used

Question # 25

Oxidation of ter-alcohol gives:

Question # 26

Which compound has the maximum repulsion with water?

Question # 27

Which of the following statements is correct?

Question # 28

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

Question # 29

The boiling point of glycerol is more than propanal because of

Question # 30

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is an isomer of ethanol
A. CH3OCH3
B. C2H5OC2H5
C. CH3OH
D. C2H5OH
3 Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of
A. Ketone
B. Aidehyde
C. Ether
D. Alkyl halide
4 In Lucas test teriary alcohol make an oily layer
A. Immediately
B. In 10 mins
C. On heating
D. Not
5 The malt-sugar in the presence of yeast or invertase gives
A. Fructose
B. Glucose
C. Lignin
D. Alcohol
6 Which compound does not show hydrogen bonding with water
A. CH3OH
B. C2H5OH
C. CH3- O - CH3
D. C6H5OH
7 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
8 Which of the following groups will increase the acidity of phenol?
A. -NO2
B. -CN
C. -X (halogens)
D. All
9 Taste of lower alcohols is:
A. Sweet
B. Bitter
C. Our
D. Salty
10 Which one is primary alcohol?
A. Buten-2-ol
B. Propan-2-ol
C. Butaon-1-ol
D. 2,3-Dimethylhexane-4-ol

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