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 formula of secondary alcohol is

Question # 2

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

Question # 3

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

Question # 4

Dehydration of ethyl alcohol yields

Question # 5

Which of the following is weakly acidic in nature

Question # 6

Which of the following process is employed to convert alkyl halide into alcohol?

Question # 7

95% alcohol is called

Question # 8

If an electrophile attacks then ______ bond breaks first

Question # 9

The strongest acid among the following aromatic compound is

Question # 10

denaturing of alcohol is done by adding methanol in ethanol:

Question # 11

Alcohals can be distinguished using test:

Question # 12

Either, an organic compound has close resemblance in structure and thus a derivative of:

Question # 13

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 # 14

Ethanol can be converted into ethanoic acid :

Question # 15

Alcohol reacts with halogen acid to produce

Question # 16

Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7

Question # 17

Which of the following is an isomer of ethanol

Question # 18

Use of ethanol as:

Question # 19

Dehydration of glycerol give

Question # 20

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 # 21

Carbolic acid is the other name for

Question # 22

In Dow's method, phenol can be made from

Question # 23

Methanol is prepared from CO and H2 using catalyst:

Question # 24

When sodium metal reacts with alcohols

Question # 25

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

Question # 26

Phenol is also known as

Question # 27

An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound

Question # 28

Williamson's synthesis is used to prepare

Question # 29

Which one is primary alcohol?

Question # 30

Organic acid without a carboxylic acid group is

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which of the following groups will increase the acidity of phenol?
A. -NO2
B. -CN
C. -X (halogens)
D. All
2 Which of the following is the most suitable method for removing the traces of water from ethanol?
A. Reacting with Na metal
B. Passing dry HCl through it
C. Distilling it
D. Reacting with Mg
3 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
4 Derivative of water is:
A. Alcohals
B. Phenols
C. Either
D. Phenol
5 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
6 Ethanol can be converted into ethanoic acid :
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
7 Which statement in not correct about alcohol?
A. Ethyl alcohol is heavier than water
B. Ethyl alcohol ecaporates more quickly
C. Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms
D. Alcohol produces H2by reaction with sodium metal
8 Which of the following compound is known as oil of winter green?
A. Phenyl benzoate
B. Phenyl salicylate
C. Phenyl acetate
D. Methyl salicylate
9 Methyl alcohol is not used:
A. As a subsitution for petrol
B. As an anti-freezing agent
C. For denating of ethyle alcohal
D. As a solvent
10 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3- O - CH3
D. C2H5OH

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