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

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

Question # 2

Ethanol containing some methanol is called

Question # 3

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 # 4

Alcohols, phenols and ethers may be considered as derivative of

Question # 5

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 # 6

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

Question # 7

Nitration of phenol gives

Question # 8

Which is a reagent for Lucas test

Question # 9

Methyl alcohol is not used

Question # 10

Salol is prepared from

Question # 11

Propanone is the product obtained by dehydrogenation of

Question # 12

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

Question # 13

Ethanol is prepared in Pakistan form fermentation of:

Question # 14

Grignard reagent on reaction with a ketone forms

Question # 15

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 # 16

Which structure shows a tertiary alcohol

Question # 17

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 18

Which compound has the maximum repulsion with water?

Question # 19

Ethanol can be converted into ethanoic acid by

Question # 20

Which is not property in ether:

Question # 21

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

Question # 22

Which of the following will not give iodoform test?

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

Oxidation of ter-alcohol gives:

Question # 25

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 26

Phenol gives ---------- Colour with neutral FeCl3solution

Question # 27

The formula of secondary alcohol is

Question # 28

Dehydration of an alcohol at 180°

Question # 29

According to Lewis concept ethers behave as:

Question # 30

Which more acidic?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 The boiling point of glycerol is more than propanal because of
A. Hybridisation
B. H-bonding
C. Resonance
D. All these factors
2 Which structure shows a tertiary alcohol
A. CH3CH2OH
B. (CH3)2CHOH
C. (CH3)3COH
D. CH2OH
3 In Dow's method, phenol can be made from
A. Chlorobenzene
B. Benzene
C. Toluene
D. Benzene sulphonic acid
4 Which of the following is the most suitable method for removing the traces of water from ethanol?
A. Reacting with Na metal
B. Passing dry HCl through it
C. Distilling it
D. Reacting with Mg
5 Alcohols are derivatives of:
A. Benzene
B. Alkanes
C. Alkens
D. Alkynes
6 Scientific study of fermentation was first made by
A. Buchner
B. Liebig
C. Biot
D. Pasteur
7 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
8 The malt-sugar in the presence of yeast or invertase gives
A. Fructose
B. Glucose
C. Lignin
D. Alcohol
9 Which of the following is known as wood spirit
A. Ethyl alcohol
B. Propyl alcohol
C. Methyl alcohol
D. Butyl alcohol
10 The organic compounds which derivative of hydrocarbons due to oxygen is:
A. Phenol
B. Alcohol
C. Alkyl halide
D. Either

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