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

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 2

Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes

Question # 3

An alcohol with molecular formula CnH2n+1OH has a chiral carbon atom but does not react with MnO-4/H+what is the least number of carbon atoms such an alcohol could possess

Question # 4

Which of the following is weakly acidic in nature

Question # 5

Which compound is called a universal solvent?

Question # 6

Which compound shows hydrogen bonding

Question # 7

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 8

Scientific study of fermentation was first made by

Question # 9

95% alcohol is called

Question # 10

Oxidation of methyl alcohol gives

Question # 11

Derivative of water is:

Question # 12

Which structure shows a tertiary alcohol

Question # 13

Phenols are derivative of:

Question # 14

Methanol is prepared from CO and H2 using catalyst:

Question # 15

In Lucas test primary alcohol make as oily layer

Question # 16

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

Question # 17

Which is possible in ethers?

Question # 18

Methanol and ethanol can be distinguished by

Question # 19

To prepare ethanol by fernentation the optimum temp. is

Question # 20

Dehydration of glycerol give

Question # 21

When sodium metal reacts with alcohols

Question # 22

C2H5OH can be differentiated from CH3OH by

Question # 23

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

Question # 24

Ethyl alcohol is industrially prepared from ethylene by

Question # 25

Ethanol can be converted into ethanoic acid by

Question # 26

The test used for the detection of ethanol in the mouth of a drunk driver is that the drunk driver is asked to blow air from mouth into a solution of K2Cr2O7and H2SO4. The colour changes, if the driver is drunk

Question # 27

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

Question # 28

Which is a reagent for Lucas test

Question # 29

Which more acidic?

Question # 30

Which compound is more soluble in water

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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 Dehydration of an alcohol at 180°
A. Alkene
B. Ether
C. Ester
D. An hydride
3 Which of the following compound is known as oil of winter green?
A. Phenyl benzoate
B. Phenyl salicylate
C. Phenyl acetate
D. Methyl salicylate
4 Which one is primary alcohol?
A. Buten-2-ol
B. Propan-2-ol
C. Butaon-1-ol
D. 2,3-Dimethylhexane-4-ol
5 Rectified spirit contains alcohol about
A. 80%
B. 85%
C. 90%
D. 95%
6 Mild oxidation of glycerol with H2O2/FeSO4gives
A. Glyceraldehyde
B. Dihydroxy acetone
C. Glycerose
D. None
7 Primary and secondary alcohols on action of red hot copper give
A. Aldehydes and ketones respectilvely
B. ketones and aldehydes respectively
C. Only aldehydes
D. Only ketones
8 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
9 Which compound contains - OH in their molecule
A. Alcohol
B. Phenol
C. Alcohol and phenol
D. Ether
10 General formula of alcohol is:
A. ROH
B. Ar-OH
C. R-O-R
D. Ph-OH

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