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

Dehydration of ethyl alcohol yields

Question # 2

Propanone is the product obtained by dehydrogenation of

Question # 3

95% alcohol is called

Question # 4

Which compound is more soluble in water?

Question # 5

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

Question # 6

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

Question # 7

Which is possible in ethers?

Question # 8

Grignard reagent on reaction with a ketone forms

Question # 9

Organic acid without a carboxylic acid group is

Question # 10

Salol is prepared from

Question # 11

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 # 12

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

Question # 13

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

Question # 14

Ethanol can be converted into ethanoic acid by

Question # 15

Concentration of rectified spirit is:

Question # 16

Alcohols, phenols and ethers may be considered as derivative of

Question # 17

C2H5OH can be differentiated from CH3OH by

Question # 18

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 # 19

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

Question # 20

How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH2OH

Question # 21

Ethanol is prepared in Pakistan form fermentation of:

Question # 22

Methanol and ethanol can be distinguished by

Question # 23

Which one is primary alcohol?

Question # 24

Ethanol can be converted into ethanoic acid :

Question # 25

Isopropyl alcohol on oxidation gives

Question # 26

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

Question # 27

Use of ethanol as:

Question # 28

Which is not property in ether:

Question # 29

According to Lewis concept ethers behave as:

Question # 30

Alcohals can be distinguished using test:

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
2 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
3 The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called
A. Kolbe's reaction
B. Perkin's reaction
C. Sandmeyer's reaction
D. Schotten Baumann reaction
4 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
A. From orange to green
B. From pink to green
C. From orange to colorless
D. From pink to colorless
5 Isopropyl alcohol on oxidation gives
A. Acetone
B. Ether
C. Ethylene
D. Acetaldehyde
6 Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4
A. Butanol
B. Butanoic acid
C. Butanone
D. Butane
7 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
A. Acetaldehyde, tertiary butyl alcohol
B. Acetaldehyde, ethyl alcohol
C. Acetaldehyde, isopropyl alcohol
D. Acetone, isopropyl alcohol
8 Methanol and ethanol can be distinguished by
A. Iodoform test
B. Iucas test
C. Dichromate/H2SO4oxidation test
D. Flame test
9 Which compound is more soluble in water
A. C2H5OH
B. C6H5OH
C. CH3OCH3
D. n-hexanol
10 Rectified spirit contains alcohol about
A. 80%
B. 85%
C. 90%
D. 95%

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