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 is used as an antifreeze?

Question # 2

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

Question # 3

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

Question # 4

Isopropyl alcohol on oxidation gives

Question # 5

Methanol and ethanol can be distinguished by

Question # 6

95% alcohol is called

Question # 7

Ethyl alcohol prepared during fermentation is pure:

Question # 8

Which compound is more soluble in water?

Question # 9

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 # 10

Alcohols are named by replacing 'e' of alkane with:

Question # 11

Which of the following will not give iodoform test?

Question # 12

Grignard reagent on reaction with a ketone forms

Question # 13

Concentration of rectified spirit is:

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 of the following is known as wood spirit

Question # 16

Which compound has the maximum repulsion with water?

Question # 17

The strongest acid among the following aromatic compound is

Question # 18

To prepare ethanol by fernentation the optimum temp. is

Question # 19

Which compound is called a universal solvent?

Question # 20

Which compound shows hydrogen bonding

Question # 21

Scientific study of fermentation was first made by

Question # 22

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 # 23

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

Question # 24

Industrial alcohol may be denaturated by the addition of

Question # 25

Methyl alcohol is not used:

Question # 26

Which more acidic?

Question # 27

Methanol is prepared from CO and H2 using catalyst:

Question # 28

Phenol is more readily soluble in

Question # 29

Which is possible in ethers?

Question # 30

Ethyl alcohol is industrially prepared from ethylene by

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 According to Lewis concept ethers behave as:
A. Acid
B. Base
C. Acid as well as a base
D. None of them
2 which enzyme is not involved in the fermentation of starch ?
A. Diastase
B. Zymase
C. Urease
D. Invertase
3 Alcohols are named by replacing 'e' of alkane with:
A. al
B. ene
C. ol
D. one
4 Phenol is more readily soluble in
A. Dil. HCl
B. Both NaOH and HCl
C. NaOH sol
D. Sodium bicarbonate solution
5 Ethanol can be converted into ethanoic acid by
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
6 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3-O-CH3
D. C2H5OH
7 Which of the following process is employed to convert alkyl halide into alcohol?
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Molecular rearrangement
8 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3- O - CH3
D. C2H5OH
9 Which is not property in ether:
A. Very weak hydogen bonding
B. High b.p
C. Slightly soluble
D. Inflammable
10 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

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