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 the increase in carbon number of solubility of an alcohol

Question # 2

Industrial alcohol may be denaturated by the addition of

Question # 3

Dehydration of an alcohol at 180°

Question # 4

Ethyl alcohol is industrially prepared from ethylene by

Question # 5

Which of the following is an isomer of ethanol

Question # 6

The reaction of sodium with ethanol gives

Question # 7

Which compound does not show hydrogen bonding with water

Question # 8

Propanone is the product obtained by dehydrogenation of

Question # 9

Taste of lower alcohols is:

Question # 10

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

Question # 11

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 12

Which of the following is weakly acidic in nature

Question # 13

Dehydration of glycerol give

Question # 14

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

Question # 15

Ethanol can be converted into ethanoic acid :

Question # 16

Phenol is used in the preparation of

Question # 17

Glucose in the presence of zymase is converted into

Question # 18

Alcohols are derivatives of:

Question # 19

Diethyl ether is obtained by Williamsons synthesis using

Question # 20

Phenol was discovered by:

Question # 21

Ethanol can be converted into ethanoic acid by

Question # 22

When sodium metal reacts with alcohols

Question # 23

which enzyme is not involved in the fermentation of starch ?

Question # 24

Which one is primary alcohol?

Question # 25

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

Question # 26

In Lucas test primary alcohol make as oily layer

Question # 27

Which compound is more soluble in water

Question # 28

Which more acidic?

Question # 29

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O

Question # 30

Which compound has the maximum repulsion with water?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which more acidic?
A. o-cresol
B. p-nitrophenol
C. phenol
D. m-cresol
2 The reaction of sodium with ethanol gives
A. CH3OH
B. NaH
C. H2O
D. H2
3 An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound
A. KMnO4
B. Ethanol
C. Ethane
D. CH3CH2Cl
4 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
5 Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. Ether
6 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
7 Hydrolytic coversion of sucrose into glucose and fructose is known as
A. Induction
B. Inversion
C. Insertion
D. Inhibition
8 To prepare ethanol by fernentation the optimum temp. is
A. 10 - 20°C
B. 25 - 30°C
C. 20°C
D. 35°C
9 Alcohol fermentation is brought about by the action of
A. CO2
B. O2
C. Invertase
D. Yeast
10 Which is not property in ether:
A. Very weak hydogen bonding
B. High b.p
C. Slightly soluble
D. Inflammable

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