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

When phenol is reduced in the presence of Zn dust, we get

Question # 2

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

Question # 3

Which of the following is weakly acidic in nature

Question # 4

Which of the following is known as wood spirit

Question # 5

Phenol was discovered by:

Question # 6

Dehydration of ethyl alcohol yields

Question # 7

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

Question # 8

Organic acid without a carboxylic acid group is

Question # 9

Dehydration of an alcohol at 180°

Question # 10

Grignard reagent on reaction with a ketone forms

Question # 11

Rectified spirit contains alcohol about:

Question # 12

Which compound does not show hydrogen bonding with water

Question # 13

Which compound has the maximum repulsion with water?

Question # 14

C2H5OH can be differentiated from CH3OH by

Question # 15

Alcohols reacts with Grignard reagent to form

Question # 16

Oxidation of ter-alcohol gives:

Question # 17

Alcohols are derivatives of:

Question # 18

Oxidation of methyl alcohol gives

Question # 19

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

Question # 20

According to Lewis concept ethers behave as:

Question # 21

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

Question # 22

Diethyl ether is obtained by Williamsons synthesis using

Question # 23

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 # 24

Ethyl alcohol is industrially prepared from ethylene by

Question # 25

To prepare ethanol by fernentation the optimum temp. is

Question # 26

Which of the following compound is known as oil of winter green?

Question # 27

Which is a reagent for Lucas test

Question # 28

In Lucas test teriary alcohol make an oily layer

Question # 29

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 30

Which compound shows hydrogen bonding

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Ethanol can be converted into ethanoic acid by
A. Hydrogenation
B. Hydration
C. oxidation
D. Frmentation
2 Which of the following is weakly acidic in nature
A. Alcohol
B. Phenol
C. Aidehyde
D. Amide
3 Glucose in the presence of zymase is converted into
A. Alcohol
B. Acid
C. Ethyl alcohol
D. Ketone
4 Propanone is the product obtained by dehydrogenation of
A. 2-Propanol
B. 1-Propanol
C. Isobutyl alcohol
D. Propanethoil
5 Na reacts with phenol to produce
A. H2gas
B. Benzene
C. CO2gas
D. CO gas
6 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
7 Alcohol can be denaturated by adding:
A. Acetone
B. Methanol
C. Pyridine
D. All
8
Question Image
A. A primary alcohol
B. A secondary alcohol
C. An eher
D. A phenol
9 An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound
A. KMnO4
B. Ethanol
C. Ethane
D. CH3CH2Cl
10 On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is
A. Methyl alcohol
B. Formic acid
C. Prop-2-enal
D. Glycerol sulphate

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