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 bond shows maximum hydrogen bonding with water?

Question # 2

The malt-sugar in the presence of yeast or invertase gives

Question # 3

The only alcohol that can be prepared by the indirect hydration of alkene is

Question # 4

Dehydration of an alcohol at 180°

Question # 5

Which of the following cannot be produced by acidic dehydration of alcohols?

Question # 6

Which the increase in carbon number of solubility of an alcohol

Question # 7

Which is a reagent for Lucas test

Question # 8

Which of the following is used as anesthetics

Question # 9

Grignard reagent on reaction with a ketone forms

Question # 10

Ethanol is prepared in Pakistan form fermentation of:

Question # 11

Which compound is more soluble in water?

Question # 12

Which is used as an antifreeze?

Question # 13

Picric acid is

Question # 14

Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch

Question # 15

Which compound shows hydrogen bonding

Question # 16

Methyl alcohol is not used

Question # 17

Baukelite is a polymer obtained from two monomers

Question # 18

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 19

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

Question # 20

Which compound contains - OH in their molecule

Question # 21

Dehydration of ethyl alcohol yields

Question # 22

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

Question # 23

Phenols are derivative of:

Question # 24

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

Question # 25

Derivative of water is:

Question # 26

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 27

Na reacts with phenol to produce

Question # 28

Maximum number of active hydrogens are present in

Question # 29

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Question # 30

The formula of secondary alcohol is

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Phenol was discovered by:
A. Hofmann
B. Runge
C. Henderson
D. Bakelite
2 Which enzyme is not involved in fermentation of strach
A. Diastase
B. Zymase
C. Urease
D. Invertase
3 A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is
A. Primary alcohol
B. Tertiary alcohol
C. alkene
D. ether
4 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
5 When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is
A. Oxalic acid
B. Glyoxal
C. Formic acid
D. Ethanol
6 Which of the following groups will increase the acidity of phenol?
A. -NO2
B. -CN
C. -X (halogens)
D. All
7 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
8 Alcohol can be denaturated by adding:
A. Acetone
B. Methanol
C. Pyridine
D. All
9 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
10 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test

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