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

Taste of lower alcohols is:

Question # 2

Organic acid without a carboxylic acid group is

Question # 3

Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch

Question # 4

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

Question # 5

To prepare ethanol by fernentation the optimum temp. is

Question # 6

Alcohols reacts with Grignard reagent to form

Question # 7

Dehydration of ethyl alcohol yields

Question # 8

denaturing of alcohol is done by adding methanol in ethanol:

Question # 9

Which is used as an antifreeze?

Question # 10

Ethanol can be converted into ethanoic acid by

Question # 11

Which structure shows a tertiary alcohol

Question # 12

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

Question # 13

C2H5OH can be differentiated from CH3OH by

Question # 14

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O

Question # 15

Scientific study of fermentation was first made by

Question # 16

When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

Question # 17

The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called

Question # 18

Which is not property in ether:

Question # 19

Which compound shows more hydrogen bonding?

Question # 20

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

Question # 21

Phenol is more readily soluble in

Question # 22

Phenol is also known as

Question # 23

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 # 24

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

Question # 25

Industrial alcohol may be denaturated by the addition of

Question # 26

The organic compounds which derivative of hydrocarbons due to oxygen is:

Question # 27

Ethanol can be converted into ethanoic acid by

Question # 28

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

Question # 29

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 30

Oxidation of methyl alcohol gives

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
2 Which one is primary alcohol?
A. Buten-2-ol
B. Propan-2-ol
C. Butaon-1-ol
D. 2,3-Dimethylhexane-4-ol
3 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
4 Which compound is more soluble in water
A. C2H5OH
B. C6H5OH
C. CH3OCH3
D. n-hexanol
5 Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2
A. Primary alcohol
B. Secondary alcohol
C. Tertiary alcohol
D. Ether
6 According to Lewis concept ethers behave as:
A. Acid
B. Base
C. Acid as well as a base
D. None of them
7 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3-O-CH3
D. C2H5OH
8 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
9 Dehydration of ethyl alcohol yields
A. Aldehyde
B. Ketone
C. Acid
D. Alkene
10 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

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