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

Rectified spirit contains alcohol about

Question # 2

Ethyl alcohol prepared during fermentation is pure:

Question # 3

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

Question # 4

The strongest acid among the following aromatic compound is

Question # 5

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 # 6

Which of the following statements is correct?

Question # 7

Which is possible in ethers?

Question # 8

Scientific study of fermentation was first made by

Question # 9

Picric acid is

Question # 10

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Question # 11

Phenol was discovered by:

Question # 12

In Lucas test primary alcohol make as oily layer

Question # 13

Propanone is the product obtained by dehydrogenation of

Question # 14

The boiling point of glycerol is more than propanal because of

Question # 15

The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:

Question # 16

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

Question # 17

which enzyme is not involved in the fermentation of starch ?

Question # 18

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

Question # 19

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

Question # 20

Which of the following is correct?

Question # 21

Rectified spirit contains alcohol about:

Question # 22

Which one is primary alcohol?

Question # 23

Grignard reagent on reaction with a ketone forms

Question # 24

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

Question # 25

Phenol is used in the preparation of

Question # 26

Methyl alcohol is not used

Question # 27

Which compound shows hydrogen bonding

Question # 28

The order of reactivity of halogen acids for reaction with C2H5OH is

Question # 29

Organic acid without a carboxylic acid group is

Question # 30

Which enzyme is not involved in fermentation of strach

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which is a reagent for Lucas test
A. ZnCl2+ Conc. HCl
B. Zn
C. Na
D. Br
2 Derivative of water is:
A. Alcohals
B. Phenols
C. Either
D. Phenol
3 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
4 Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid
5 Ethanol containing some methanol is called
A. Absolute spirit
B. Rectified spirit
C. Power alcohol
D. Methylated spirit
6 Methanol and ethanol can be distinguished by
A. Iodoform test
B. Iucas test
C. Dichromate/H2SO4oxidation test
D. Flame test
7 The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called
A. Kolbe's reaction
B. Perkin's reaction
C. Sandmeyer's reaction
D. Schotten Baumann reaction
8 Which more acidic?
A. o-cresol
B. p-nitrophenol
C. phenol
D. m-cresol
9 Phenol was discovered by:
A. Hofmann
B. Runge
C. Henderson
D. Bakelite
10 Which of the following is known as wood spirit
A. Ethyl alcohol
B. Propyl alcohol
C. Methyl alcohol
D. Butyl alcohol

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