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

Question # 2

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

Question # 3

Which is used as an antifreeze?

Question # 4

An organic compound 'X' on treatment with acidified K2Cr2O7gives a compound 'Y' which reacts with I2and sodium carbonate to form Triodomethane. The compound 'X' is

Question # 5

Rectified spirit contains alcohol about

Question # 6

Which more acidic?

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

To prepare ethanol by fernentation the optimum temp. is

Question # 11

Phenols are derivative of:

Question # 12

Which of the following statements is correct?

Question # 13

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

Question # 14

Ethanol can be converted into ethanoic acid by

Question # 15

An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound

Question # 16

The boiling point of glycerol is more than propanal because of

Question # 17

The test used for the detection of ethanol in the mouth of a drunk driver is that the drunk driver is asked to blow air from mouth into a solution of K2Cr2O7and H2SO4. The colour changes, if the driver is drunk

Question # 18

The formula of secondary alcohol is

Question # 19

Which of the following is used as anesthetics

Question # 20

Which compound is more soluble in water?

Question # 21

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

Question # 22

Baukelite is a polymer obtained from two monomers

Question # 23

Picric acid is

Question # 24

Which compound shows hydrogen bonding

Question # 25

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 26

Salol is prepared from

Question # 27

A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

Question # 28

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 29

Dow's process is used for the preparation of

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which is used as an antifreeze?
A. Glycol
B. Ethyl alcohol
C. Water
D. Methanol
2 Mild oxidation of glycerol with H2O2/FeSO4gives
A. Glyceraldehyde
B. Dihydroxy acetone
C. Glycerose
D. None
3 Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4
A. Butanol
B. Butanoic acid
C. Butanone
D. Butane
4 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
5 Phenol is more readily soluble in
A. Dil. HCl
B. Both NaOH and HCl
C. NaOH sol
D. Sodium bicarbonate solution
6 Which of the following is correct?
A. Reduction of any aldehyde gives secondary alcohol
B. Reaction of vegetable oil with H2SO4gives glycerine
C. Alcoholic iodine with NaOH gives iodoform
D. Sucrose on reaction with NaCl gives invert sugar
7 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
8 When phenol is reduced in the presence of Zn dust, we get
A. Cyclohexene
B. Cyclohexane
C. Benzene
D. Benzyne
9 The boiling point of glycerol is more than propanal because of
A. Hybridisation
B. H-bonding
C. Resonance
D. All these factors
10 Which of the following is the most suitable method for removing the traces of water from ethanol?
A. Reacting with Na metal
B. Passing dry HCl through it
C. Distilling it
D. Reacting with Mg

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