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 distilled with zinc dust. It is reduced to

Question # 2

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

Question # 3

Which of the following is the most suitable method for removing the traces of water from ethanol?

Question # 4

Industrial alcohol may be denaturated by the addition of

Question # 5

Which is possible in ethers?

Question # 6

Which is used as an antifreeze?

Question # 7

Which of the following is used as anesthetics

Question # 8

Derivative of water is:

Question # 9

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

Question # 10

Which of the following compounds will not react with sodium metal to release hydrogen

Question # 11

Na reacts with phenol to produce

Question # 12

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

Question # 13

Which statement in not correct about alcohol?

Question # 14

On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is

Question # 15

Which of the following is an isomer of ethanol

Question # 16

Salol is prepared from

Question # 17

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

Question # 18

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

Question # 19

Which of the following is known as wood spirit

Question # 20

According to Lewis concept ethers behave as:

Question # 21

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

Question # 22

Which the increase in carbon number of solubility of an alcohol

Question # 23

A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

Question # 24

Phenol is more readily soluble in

Question # 25

Which compound is called a universal solvent?

Question # 26

Either, an organic compound has close resemblance in structure and thus a derivative of:

Question # 27

Which one of the following correctly describes the acid properties of phenol

Question # 28

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Question # 29

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

Question # 30

Ethanol can be converted into ethanoic acid by

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 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
2 Carbolic acid is the other name for
A. Methanol
B. Ethanol
C. Propanol
D. Phenol
3 Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch
A. Diastase
B. Maltase
C. Zymase
D. Invertase
4 The malt-sugar in the presence of yeast or invertase gives
A. Fructose
B. Glucose
C. Lignin
D. Alcohol
5 Ethyl alcohol prepared during fermentation is pure:
A. 20%
B. 10%
C. 11%
D. 12%
6 I-Phenylethanol can be prepared by reaction of benzaldehyde with
A. Methyl iodide an Magnesium
B. Methyl bromide
C. Methyl bromide and AIBr3
D. C2H5l and Mg
7 Alcohols reacts with Grignard reagent to form
A. Alkanes
B. Alkenes
C. Alkynes
D. All
8 Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as
A. Frledel-Craft reaction
B. Riemer-Tiemann's reaction
C. Rosenmund's reaction
D. Sommelet reaction
9 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3-O-CH3
D. C2H5OH
10 Methyl alcohol is not used
A. As a solvent
B. A an anti-freezing agent
C. As a substitute for petrol
D. For denaturing of ethyl alcohol

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