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

Ethanol can be converted into ethanoic acid :

Question # 2

denaturing of alcohol is done by adding methanol in ethanol:

Question # 3

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 4

Methyl alcohol is not used

Question # 5

Carbolic acid is the other name for

Question # 6

Concentration of rectified spirit is:

Question # 7

Taste of lower alcohols is:

Question # 8

If an electrophile attacks then ______ bond breaks first

Question # 9

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 # 10

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 11

Phenol gives ---------- Colour with neutral FeCl3solution

Question # 12

Alcohol can be denaturated by adding:

Question # 13

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

Question # 14

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

Question # 15

Dehydration of an alcohol at 180°

Question # 16

Alcohals can be distinguished using test:

Question # 17

Maximum number of active hydrogens are present in

Question # 18

The only alcohol that can be prepared by the indirect hydration of alkene is

Question # 19

Which statement in not correct about alcohol?

Question # 20

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 # 21

Which compound will not dissolve in H2O

Question # 22

which enzyme is not involved in the fermentation of starch ?

Question # 23

The reaction of sodium with ethanol gives

Question # 24

The boiling point of glycerol is more than propanal because of

Question # 25

Glucose in the presence of zymase is converted into

Question # 26

Which of the following is correct?

Question # 27

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2

Question # 28

Ethanol containing some methanol is called

Question # 29

Which is possible in ethers?

Question # 30

Primary and secondary alcohols on action of red hot copper give

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which compound has the maximum repulsion with water?
A. C6H6
B. C2H5OH
C. CH3CH2CH2OH
D. CH3----O---CH3
2 Which of the following groups will increase the acidity of phenol?
A. -NO2
B. -CN
C. -X (halogens)
D. All
3 Which of the following is used as anesthetics
A. Alcohol
B. Diethylether
C. Phenol
D. Dimethyl ether
4 A compound of the formula C4H10Oreacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is
A. Diethyl ether
B. n-Butyl alcohol
C. Isobutyl alcohol
D. sec-Butyl alcohol
5 Ethanol can be converted into ethanoic acid by
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
6 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
7 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
8 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3-O-CH3
D. C2H5OH
9 Methanol is prepared from CO and H2 using catalyst:
A. ZnO
B. Cr2O3
C. Pt
D. Ni
10 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene

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