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

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

Question # 2

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

Question # 3

The reaction of sodium with ethanol gives

Question # 4

Alcohols of low molecular weight are

Question # 5

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

Question # 6

Oxidation of methyl alcohol gives

Question # 7

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

Question # 8

denaturing of alcohol is done by adding methanol in ethanol:

Question # 9

Methyl alcohol is not used:

Question # 10

Which compound does not show hydrogen bonding with water

Question # 11

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 12

Ethanol can be converted into ethanoic acid :

Question # 13

Phenol is used in the preparation of

Question # 14

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

Question # 15

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

Question # 16

Phenols are derivative of:

Question # 17

In Lucas test teriary alcohol make an oily layer

Question # 18

Ethanol can be converted into ethanoic acid by

Question # 19

Which of the following will not give iodoform test?

Question # 20

Alcohols are derivatives of:

Question # 21

Methanol is prepared from CO and H2 using catalyst:

Question # 22

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 # 23

Williamson's synthesis is used to prepare

Question # 24

Which compound will not dissolve in H2O

Question # 25

Which of the following compound is known as oil of winter green?

Question # 26

Rectified spirit contains alcohol about

Question # 27

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

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 The only alcohol that can be prepared by the indirect hydration of alkene is
A. ethyl alcohol
B. propyl alcohol
C. isobutyl alcohol
D. methyl alcohol
2 Ethanol is prepared in Pakistan form fermentation of:
A. Starch
B. Sugar
C. Glucose
D. Molasses
3 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3- O - CH3
D. C2H5OH
4 Scientific study of fermentation was first made by
A. Buchner
B. Liebig
C. Biot
D. Pasteur
5 Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as
A. Frledel-Craft reaction
B. Riemer-Tiemann's reaction
C. Rosenmund's reaction
D. Sommelet reaction
6 On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is
A. Methyl alcohol
B. Formic acid
C. Prop-2-enal
D. Glycerol sulphate
7 Ethanol can be converted into ethanoic acid by
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
8 In Lucas test teriary alcohol make an oily layer
A. Immediately
B. In 10 mins
C. On heating
D. Not
9 Oxidation of methyl alcohol gives
A. Formaldehyde
B. Acetone
C. Ester
D. Acid
10 Concentration of rectified spirit is:
A. 12%
B. 14%
C. 90%
D. 95%

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