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

Scientific study of fermentation was first made by

Question # 2

Phenol was discovered by:

Question # 3

Oxidation of methyl alcohol gives

Question # 4

Which enzyme is not involved in fermentation of strach

Question # 5

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

Question # 6

Propanone is the product obtained by dehydrogenation of

Question # 7

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 # 8

denaturing of alcohol is done by adding methanol in ethanol:

Question # 9

Phenols are derivative of:

Question # 10

Isopropyl alcohol on oxidation gives

Question # 11

Alcohols of low molecular weight are

Question # 12

Dehydration of an alcohol at 180°

Question # 13

An organic compound A reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound B . Compound B gives blue colour salt in Victor Meyer's test.The compounds A and B are respectively

Question # 14

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

Question # 15

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

Question # 16

Industrial alcohol may be denaturated by the addition of

Question # 17

Methyl alcohol is not used:

Question # 18

Carbolic acid is the other name for

Question # 19

Phenol is used in the preparation of

Question # 20

Ethanol can be converted into ethanoic acid :

Question # 21

In Dow's method, phenol can be made from

Question # 22

Ethanol can be converted into ethanoic acid by

Question # 23

Which compound contains - OH in their molecule

Question # 24

Which compound is more soluble in water?

Question # 25

Which is not property in ether:

Question # 26

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

Question # 27

An organic compound 'X' on treatment with acidified K2Cr2O7gives a compound 'Y' which reacts with I2and sodium carbonate to form Triodomethane. The compound 'X' is

Question # 28

Which of the following is weakly acidic in nature

Question # 29

Which of the following will not give iodoform test?

Question # 30

Which is possible in ethers?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Ethanol containing some methanol is called
A. Absolute spirit
B. Rectified spirit
C. Power alcohol
D. Methylated spirit
2 Ethyl alcohol prepared during fermentation is pure:
A. 20%
B. 10%
C. 11%
D. 12%
3 which enzyme is not involved in the fermentation of starch ?
A. Diastase
B. Zymase
C. Urease
D. Invertase
4 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
5 The order of reactivity of halogen acids for reaction with C2H5OH is
A. HCl > HBr > HI
B. HI > HBr > HCl
C. HBr > HI > HCl
D. HBr > HCl > HI
6 The boiling points of alcohols are higher than the corresponding alkanes, This is because
A. Of hydrogen bonding existing between molecules of alcohols
B. Alkanes are dipolar compounds
C. Alcohols are sweet in taste
D. Alcohols are soluble in water
7 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
8 Methanol is prepared from CO and H2 using catalyst:
A. ZnO
B. Cr2O3
C. Pt
D. Ni
9 Which of the following compound is known as oil of winter green?
A. Phenyl benzoate
B. Phenyl salicylate
C. Phenyl acetate
D. Methyl salicylate
10 Which statement in not correct about alcohol?
A. Ethyl alcohol is heavier than water
B. Ethyl alcohol ecaporates more quickly
C. Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms
D. Alcohol produces H2by reaction with sodium metal

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