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

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 # 2

How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH

Question # 3

Williamson's synthesis is used to prepare

Question # 4

During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is

Question # 5

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

Question # 6

Isopropyl alcohol on oxidation gives

Question # 7

Phenol was discovered by:

Question # 8

Alcohols of low molecular weight are

Question # 9

Ethyl alcohol may be identified by

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Which enzyme is not involved in fermentation of strach

Question # 14

Dehydration of ethyl alcohol yields

Question # 15

Oxidation of methyl alcohol gives

Question # 16

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

Question # 17

Nitration of phenol gives

Question # 18

If an electrophile attacks then ______ bond breaks first

Question # 19

Ethanol can be converted into ethanoic acid :

Question # 20

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 21

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

Question # 22

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

Question # 23

Ethyl alcohol is industrially prepared from ethylene by

Question # 24

Which is possible in ethers?

Question # 25

Derivative of water is:

Question # 26

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

Question # 27

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 # 28

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 # 29

The boiling points of alcohols are higher than the corresponding alkanes, This is because

Question # 30

Maximum number of active hydrogens are present in

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 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
2 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
A. Acetaldehyde, tertiary butyl alcohol
B. Acetaldehyde, ethyl alcohol
C. Acetaldehyde, isopropyl alcohol
D. Acetone, isopropyl alcohol
3 Scientific study of fermentation was first made by
A. Buchner
B. Liebig
C. Biot
D. Pasteur
4 Phenol is more readily soluble in
A. Dil. HCl
B. Both NaOH and HCl
C. NaOH sol
D. Sodium bicarbonate solution
5 Which of the following will not give iodoform test?
A. Ethanol
B. Ethanal
C. Isopropyl alcohol
D. Benzyl alcohol
6 Which compound shows more hydrogen bonding?
A. C2H6
B. C2H5Cl
C. CH3----O----CH3
D. C2H5OH
7 Methyl alcohol is not used:
A. As a subsitution for petrol
B. As an anti-freezing agent
C. For denating of ethyle alcohal
D. As a solvent
8 C2H5OH can be differentiated from CH3OH by
A. Reaction with HCl
B. Reaction with NH3
C. Iodoform test
D. Solubility in water
9 When sodium metal reacts with alcohols
A. Hydrogen gas evolves
B. Sodium hydroxide is obtained
C. Alcohol is reduced
D. Alcohol is polymerised
10 Which one is used as a fuel for internal combustion engines in many European countries and Brazil
A. C2H5OH
B. CH3OH
C. CH3COOH
D. C2H2

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