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

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 # 2

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

Question # 3

Oxidation of ter-alcohol gives:

Question # 4

Williamson's synthesis is used to prepare

Question # 5

Alcohol reacts with halogen acid to produce

Question # 6

Which of the following is weakly acidic in nature

Question # 7

Alcohols of low molecular weight are

Question # 8

Which compound shows more hydrogen bonding?

Question # 9

Phenol is also known as

Question # 10

Which compound is called a universal solvent?

Question # 11

Which of the following is an isomer of ethanol

Question # 12

Taste of lower alcohols is:

Question # 13

Industrial alcohol may be denaturated by the addition of

Question # 14

The strongest acid among the following aromatic compound is

Question # 15

The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:

Question # 16

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 # 17

Phenol is used in the preparation of

Question # 18

The formula of secondary alcohol is

Question # 19

Diethyl ether is obtained by Williamsons synthesis using

Question # 20

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

Question # 21

Which structure shows a tertiary alcohol

Question # 22

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 # 23

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

Question # 24

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 25

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

Question # 26

Which the increase in carbon number of solubility of an alcohol

Question # 27

Ethanol is prepared in Pakistan form fermentation of:

Question # 28

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

Question # 29

General formula of alcohol is:

Question # 30

Which compound is more soluble in water?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which of the following is weakly acidic in nature
A. Alcohol
B. Phenol
C. Aidehyde
D. Amide
2 Phenol is also known as
A. Acetic acid
B. Carbolic acid
C. Tararic acid
D. Trichloroacetic acid
3 Phenols are derivative of:
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
4 Alcohols reacts with Grignard reagent to form
A. Alkanes
B. Alkenes
C. Alkynes
D. All
5 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
6 Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid
7 Which of the following is used as anesthetics
A. Alcohol
B. Diethylether
C. Phenol
D. Dimethyl ether
8 Alcohols of low molecular weight are
A. Soluble in water
B. Soluble in water on heating
C. Insoluble in water
D. Insoluble in all solvents
9 Alcohals can be distinguished using test:
A. Lucas
B. Tollen's
C. Koib's
D. William's
10 Alcohol can be denaturated by adding:
A. Acetone
B. Methanol
C. Pyridine
D. All

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