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

00:00
Question # 1

Which is possible in ethers?

Question # 2

Which compound shows more hydrogen bonding?

Question # 3

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 # 4

Scientific study of fermentation was first made by

Question # 5

I-Phenylethanol can be prepared by reaction of benzaldehyde with

Question # 6

Which compound shows hydrogen bonding

Question # 7

Alcohols are named by replacing 'e' of alkane with:

Question # 8

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

Question # 9

The boiling point of glycerol is more than propanal because of

Question # 10

Alcohols, phenols and ethers may be considered as derivative of

Question # 11

Which compound contains - OH in their molecule

Question # 12

Dehydration of ethyl alcohol yields

Question # 13

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

Question # 14

Primary and secondary alcohols on action of red hot copper give

Question # 15

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

Question # 16

Ethyl alcohol may be identified by

Question # 17

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 18

Propanone is the product obtained by dehydrogenation of

Question # 19

Alcohols react with carboxylic acid to produce the class of compounds known as

Question # 20

Ethyl alcohol prepared during fermentation is pure:

Question # 21

Use of ethanol as:

Question # 22

According to Lewis concept ethers behave as:

Question # 23

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

Question # 24

Phenol is used in the preparation of

Question # 25

Ethanol containing some methanol is called

Question # 26

Methanol is prepared from CO and H2 using catalyst:

Question # 27

Carbolic acid is the other name for

Question # 28

Which enzyme is not involved in fermentation of strach

Question # 29

Which of the following cannot be produced by acidic dehydration of alcohols?

Question # 30

The formula of secondary alcohol is

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Maximum number of active hydrogens are present in
A. Acetic acid
B. Glycerol
C. Methane
D. Methanol
2 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
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 is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch
A. Diastase
B. Maltase
C. Zymase
D. Invertase
5 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
6 Methanol and ethanol can be distinguished by
A. Iodoform test
B. Iucas test
C. Dichromate/H2SO4oxidation test
D. Flame test
7 Oxidation of 2-propanol gives
A. Propanone
B. Butanone
C. Pentanone
D. None of these
8 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
9 Which of the following will not give iodoform test?
A. Ethanol
B. Ethanal
C. Isopropyl alcohol
D. Benzyl alcohol
10 The organic compounds which are derivative of hydrocarbons of oxygen are:
A. Carbohydrates
B. Phenols
C. Alcohals
D. All of these

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