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

Alcohols of low molecular weight are

Question # 2

Which is not property in ether:

Question # 3

Salol is prepared from

Question # 4

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

Question # 5

Alcohol fermentation is brought about by the action of

Question # 6

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

Question # 7

Scientific study of fermentation was first made by

Question # 8

Which structure shows a tertiary alcohol

Question # 9

Which of the following is correct?

Question # 10

Methyl alcohol is not used

Question # 11

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 12

The formula of secondary alcohol is

Question # 13

Which compound is more soluble in water

Question # 14

Which the increase in carbon number of solubility of an alcohol

Question # 15

Oxidation of 2-propanol gives

Question # 16

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

Question # 17

Alcohals can be distinguished using test:

Question # 18

Isopropyl alcohol on oxidation gives

Question # 19

Which is a reagent for Lucas test

Question # 20

Which compound shows more hydrogen bonding?

Question # 21

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

Question # 22

Alcohols reacts with Grignard reagent to form

Question # 23

Which enzyme is not involved in fermentation of strach

Question # 24

Which compound shows hydrogen bonding

Question # 25

which enzyme is not involved in the fermentation of starch ?

Question # 26

Dehydration of ethyl alcohol yields

Question # 27

The reaction of sodium with ethanol gives

Question # 28

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

Question # 29

Ethyl alcohol may be identified by

Question # 30

Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 When phenol is reduced in the presence of Zn dust, we get
A. Cyclohexene
B. Cyclohexane
C. Benzene
D. Benzyne
2 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
3 Alcohals can be distinguished using test:
A. Lucas
B. Tollen's
C. Koib's
D. William's
4 Glucose in the presence of zymase is converted into
A. Alcohol
B. Acid
C. Ethyl alcohol
D. Ketone
5 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
6 Which is a reagent for Lucas test
A. ZnCl2+ Conc. HCl
B. Zn
C. Na
D. Br
7 Which compound is called a universal solvent?
A. H2O
B. CH3OH
C. C2H5OH
D. CH3----O---CH3
8 An organic compound A reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound B . Compound B gives blue colour salt in Victor Meyer's test.The compounds A and B are respectively
A. Acetaldehyde, tertiary butyl alcohol
B. Acetaldehyde, ethyl alcohol
C. Acetaldehyde, isopropyl alcohol
D. Acetone, isopropyl alcohol
9 Ethanol is prepared in Pakistan form fermentation of:
A. Starch
B. Sugar
C. Glucose
D. Molasses
10 A compound of the formula C4H10Oreacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is
A. Diethyl ether
B. n-Butyl alcohol
C. Isobutyl alcohol
D. sec-Butyl alcohol

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