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

Alcohol fermentation is brought about by the action of

Question # 2

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 # 3

Which is used as an antifreeze?

Question # 4

Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is

Question # 5

Which of the following is an isomer of ethanol

Question # 6

Sodium phenoxide reacts with CO2at 400 K and 4.7 atm pressure to give

Question # 7

Rectified spirit contains alcohol about

Question # 8

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

Question # 9

Alcohol can be denaturated by adding:

Question # 10

The organic compounds which are derivative of hydrocarbons of oxygen are:

Question # 11

Methanol and ethanol can be distinguished by

Question # 12

Rectified spirit contains alcohol about:

Question # 13

Which more acidic?

Question # 14

Which of the following is known as wood spirit

Question # 15

An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound

Question # 16

Use of ethanol as:

Question # 17

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

Question # 18

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4

Question # 19

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

Question # 20

Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7

Question # 21

3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and on mole of X. Which of the following is X?

Question # 22

Alcohols are derivatives of:

Question # 23

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 # 24

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

Question # 25

95% alcohol is called

Question # 26

Na reacts with phenol to produce

Question # 27

Dehydration of an alcohol at 180°

Question # 28

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 29

Carbolic acid is the other name for

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
2 Which compound has the maximum repulsion with water?
A. C6H6
B. C2H5OH
C. CH3CH2CH2OH
D. CH3----O---CH3
3 Which of the following groups will increase the acidity of phenol?
A. -NO2
B. -CN
C. -X (halogens)
D. All
4 Carbolic acid is the other name for
A. Methanol
B. Ethanol
C. Propanol
D. Phenol
5 Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of
A. Ketone
B. Aidehyde
C. Ether
D. Alkyl halide
6 Which of the following is an isomer of ethanol
A. CH3OCH3
B. C2H5OC2H5
C. CH3OH
D. C2H5OH
7 Which one is used as a fuel for internal combustion engines in many European countries and Brazil
A. C2H5OH
B. CH3OH
C. CH3COOH
D. C2H2
8 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
9 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
10 Which compound contains - OH in their molecule
A. Alcohol
B. Phenol
C. Alcohol and phenol
D. Ether

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