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

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

Question # 2

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

Question # 3

Which of the following is the most suitable method for removing the traces of water from ethanol?

Question # 4

Methanol is prepared from CO and H2 using catalyst:

Question # 5

Picric acid is

Question # 6

Dehydration of an alcohol at 180°

Question # 7

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

Question # 8

Which bond shows maximum hydrogen bonding with water?

Question # 9

Isopropyl alcohol on oxidation gives

Question # 10

Concentration of rectified spirit is:

Question # 11

When sodium metal reacts with alcohols

Question # 12

According to Lewis concept ethers behave as:

Question # 13

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

Question # 14

Dehydration of glycerol give

Question # 15

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

Question # 16

Na reacts with phenol to produce

Question # 17

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 18

Which of the following is weakly acidic in nature

Question # 19

Phenol is also known as

Question # 20

Ethanol containing some methanol is called

Question # 21

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Question # 22

Which is possible in ethers?

Question # 23

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 # 24

Grignard reagent on reaction with a ketone forms

Question # 25

Use of ethanol as:

Question # 26

Williamson's synthesis is used to prepare

Question # 27

When phenol is reduced in the presence of Zn dust, we get

Question # 28

Which compound is more soluble in water

Question # 29

Maximum number of active hydrogens are present in

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 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
2 Concentration of rectified spirit is:
A. 12%
B. 14%
C. 90%
D. 95%
3 Alcohol can be denaturated by adding:
A. Acetone
B. Methanol
C. Pyridine
D. All
4 Na reacts with phenol to produce
A. H2gas
B. Benzene
C. CO2gas
D. CO gas
5 which enzyme is not involved in the fermentation of starch ?
A. Diastase
B. Zymase
C. Urease
D. Invertase
6 Alcohols are derivatives of:
A. Benzene
B. Alkanes
C. Alkens
D. Alkynes
7 Dehydration of glycerol give
A. Propane
B. Propene
C. Acrolein
D. Benzene
8 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
9 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
10 Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch
A. Diastase
B. Maltase
C. Zymase
D. Invertase

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