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

Organic acid without a carboxylic acid group is

Question # 2

denaturing of alcohol is done by adding methanol in ethanol:

Question # 3

When phenol is reduced in the presence of Zn dust, we get

Question # 4

Methanol and ethanol can be distinguished by

Question # 5

In Dow's method, phenol can be made from

Question # 6

Which compound has the maximum repulsion with water?

Question # 7

Ethyl alcohol prepared during fermentation is pure:

Question # 8

Rectified spirit contains alcohol about

Question # 9

When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is

Question # 10

Glucose in the presence of zymase is converted into

Question # 11

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

Question # 12

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

Question # 13

Which is not property in ether:

Question # 14

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

Question # 15

Isopropyl alcohol on oxidation gives

Question # 16

General formula of alcohol is:

Question # 17

Alcohol can be denaturated by adding:

Question # 18

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 19

Concentration of rectified spirit is:

Question # 20

Alcohols reacts with Grignard reagent to form

Question # 21

Alcohols are derivatives of:

Question # 22

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

Question # 23

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

Question # 24

C2H5OH can be differentiated from CH3OH by

Question # 25

According to Lewis concept ethers behave as:

Question # 26

Which one is primary alcohol?

Question # 27

Industrial alcohol may be denaturated by the addition of

Question # 28

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 # 29

The strongest acid among the following aromatic compound is

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 denaturing of alcohol is done by adding methanol in ethanol:
A. 10%
B. 20%
C. 30%
D. 40%
2 C2H5OH can be differentiated from CH3OH by
A. Reaction with HCl
B. Reaction with NH3
C. Iodoform test
D. Solubility in water
3 When phenol is reduced in the presence of Zn dust, we get
A. Cyclohexene
B. Cyclohexane
C. Benzene
D. Benzyne
4 Phenol was discovered by:
A. Hofmann
B. Runge
C. Henderson
D. Bakelite
5 Which more acidic?
A. o-cresol
B. p-nitrophenol
C. phenol
D. m-cresol
6 Picric acid is
A. 2, 4, 6-Trinitrotoluene
B. 2, 4, 6-Tribomoethanol
C. 2, 4,6-Trinitrophenol
D. Para-Nitrophenol
7 Alcohol fermentation is brought about by the action of
A. CO2
B. O2
C. Invertase
D. Yeast
8 Which compound is more soluble in water
A. C2H5OH
B. Benzene
C. CH3OCH3
D. Hexane
9 Either, an organic compound has close resemblance in structure and thus a derivative of:
A. Water
B. Oxides of lithium
C. Oxides of magnisium
D. Oxides of aluminium
10 Which of the following statements is correct?
A. Phenol is less acidic than ethyl alcohol
B. Phenol is more acidic than ethanol
C. Phenol is more acidic than carbonic acid
D. Phenol is more acidic than CH3COOH

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