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 order of reactivity of halogen acids for reaction with C2H5OH is

Question # 2

Which of the following statements is correct?

Question # 3

What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH

Question # 4

Which compound is more soluble in water?

Question # 5

Which compound contains - OH in their molecule

Question # 6

The boiling point of glycerol is more than propanal because of

Question # 7

Which one is used as a fuel for internal combustion engines in many European countries and Brazil

Question # 8

Ethanol is prepared in Pakistan form fermentation of:

Question # 9

Ethyl alcohol may be identified by

Question # 10

Methanol is prepared from CO and H2 using catalyst:

Question # 11

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

Question # 12

Derivative of water is:

Question # 13

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

Question # 14

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4

Question # 15

Which is possible in ethers?

Question # 16

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 17

Phenol was discovered by:

Question # 18

Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is

Question # 19

Alcohols reacts with Grignard reagent to form

Question # 20

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 21

According to Lewis concept ethers behave as:

Question # 22

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

Question # 23

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 24

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

Question # 25

Propanone is the product obtained by dehydrogenation of

Question # 26

The boiling points of alcohols are higher than the corresponding alkanes, This is because

Question # 27

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

Question # 28

The reaction of sodium with ethanol gives

Question # 29

95% alcohol is called

Question # 30

Concentration of rectified spirit is:

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Alcohols react with carboxylic acid to produce the class of compounds known as
A. Grignard's reagent
B. Esters
C. Amides
D. None of these
2 Which of the following compounds will not react with sodium metal to release hydrogen
A. CH3CH2CH3
B. CH3CH2OH
C. C6H5OH
D. C6H5CH2OH
3 Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch
A. Diastase
B. Maltase
C. Zymase
D. Invertase
4 Dehydration of an alcohol at 180°
A. Alkene
B. Ether
C. Ester
D. An hydride
5 Which compound is more soluble in water
A. C2H5OH
B. Benzene
C. CH3OCH3
D. Hexane
6 In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X
A. CH3CH2CH2CH2OH
B. (CH3)3COH
C. CH3CH2CH2CO2H
D. CH3CH(OH)CO2H
7 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
8 Dehydration of ethyl alcohol yields
A. Aldehyde
B. Ketone
C. Acid
D. Alkene
9 Propanone is the product obtained by dehydrogenation of
A. 2-Propanol
B. 1-Propanol
C. Isobutyl alcohol
D. Propanethoil
10 Which of the following is an isomer of ethanol
A. CH3OCH3
B. C2H5OC2H5
C. CH3OH
D. C2H5OH

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