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

Concentration of rectified spirit is:

Question # 2

Which one is primary alcohol?

Question # 3

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

Question # 4

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O

Question # 5

Which compound shows hydrogen bonding

Question # 6

Which of the following is used as anesthetics

Question # 7

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

Question # 8

Primary and secondary alcohols on action of red hot copper give

Question # 9

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

Question # 10

Rectified spirit contains alcohol about

Question # 11

Which compound shows more hydrogen bonding?

Question # 12

The formula of secondary alcohol is

Question # 13

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

Question # 14

Alcohols, phenols and ethers may be considered as derivative of

Question # 15

Picric acid is

Question # 16

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

Question # 17

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

Question # 18

Isopropyl alcohol on oxidation gives

Question # 19

denaturing of alcohol is done by adding methanol in ethanol:

Question # 20

Phenol is more readily soluble in

Question # 21

Taste of lower alcohols is:

Question # 22

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

Question # 23

On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is

Question # 24

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

Question # 25

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 26

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 27

Which compound will not dissolve in H2O

Question # 28

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

Question # 29

Which of the following statements is correct?

Question # 30

Which one is used as a fuel for internal combustion engines in many European countries and Brazil

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Diethyl ether is obtained by Williamsons synthesis using
A. Ethanol + Na + C2H5Br
B. Ethanol + Mg + C2H5Br
C. Methanol + Na + CH3Br
D. Methanol + Mg + CH3Br
2 Which is used as an antifreeze?
A. Glycol
B. Ethyl alcohol
C. Water
D. Methanol
3 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
4 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?
A. H3PO4
B. H3PO2
C. HPO3
D. H3PO3
5 Which of the following process is employed to convert alkyl halide into alcohol?
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Molecular rearrangement
6 Concentration of rectified spirit is:
A. 12%
B. 14%
C. 90%
D. 95%
7 Which of the following is used as anesthetics
A. Alcohol
B. Diethylether
C. Phenol
D. Dimethyl ether
8 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
9 Williamson's synthesis is used to prepare
A. Diethylether
B. Phenolphthalein
C. Hydrogenation
D. Bakelite
10 Which bond shows maximum hydrogen bonding with water?
A. CH3OH
B. C2H5OH
C. CH3----O----CH3
D. C6H5OH

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