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

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

Question # 2

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

Question # 3

Which of the following is weakly acidic in nature

Question # 4

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

Question # 5

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

Question # 6

Which statement in not correct about alcohol?

Question # 7

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

Question # 8

Rectified spirit contains alcohol about:

Question # 9

Which compound is more soluble in water

Question # 10

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

Question # 11

Which enzyme is not involved in fermentation of strach

Question # 12

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

Question # 13

In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X

Question # 14

Alcohols reacts with Grignard reagent to form

Question # 15

Industrial alcohol may be denaturated by the addition of

Question # 16

Which of the following is an isomer of ethanol

Question # 17

Diethyl ether is obtained by Williamsons synthesis using

Question # 18

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

Question # 19

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

Question # 20

Picric acid is

Question # 21

The strongest acid among the following aromatic compound is

Question # 22

General formula of alcohol is:

Question # 23

Alcohols of low molecular weight are

Question # 24

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

Question # 25

Which of the following will not give iodoform test?

Question # 26

which enzyme is not involved in the fermentation of starch ?

Question # 27

When sodium metal reacts with alcohols

Question # 28

Oxidation of methyl alcohol gives

Question # 29

Alcohols, phenols and ethers may be considered as derivative of

Question # 30

Ethylene reacts will 1% cold alkaline KMnO4to give

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
2 Which bond shows maximum hydrogen bonding with water?
A. CH3OH
B. C2H5OH
C. CH3----O----CH3
D. C6H5OH
3 Which of the following is an isomer of ethanol
A. CH3OCH3
B. C2H5OC2H5
C. CH3OH
D. C2H5OH
4 Which of the following compounds will not react with sodium metal to release hydrogen
A. CH3CH2CH3
B. CH3CH2OH
C. C6H5OH
D. C6H5CH2OH
5 The only alcohol that can be prepared by the indirect hydration of alkene is
A. ethyl alcohol
B. propyl alcohol
C. isobutyl alcohol
D. methyl alcohol
6 Picric acid is
A. 2, 4, 6-Trinitrotoluene
B. 2, 4, 6-Tribomoethanol
C. 2, 4,6-Trinitrophenol
D. Para-Nitrophenol
7 Rectified spirit contains alcohol about:
A. 80%
B. 85%
C. 90%
D. 95%
8 Organic acid without a carboxylic acid group is
A. Ascorbic acid
B. Vinegar
C. Oxalic acid
D. Picric acid
9 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
10 Alcohols are derivatives of:
A. Benzene
B. Alkanes
C. Alkens
D. Alkynes

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