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 is used as anesthetics

Question # 2

Methanol and ethanol can be distinguished by

Question # 3

Which compound shows hydrogen bonding

Question # 4

The boiling point of glycerol is more than propanal because of

Question # 5

Methyl alcohol is not used

Question # 6

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

Question # 7

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

Question # 8

Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of

Question # 9

Diethyl ether is obtained by Williamsons synthesis using

Question # 10

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

Question # 11

Ethanol can be converted into ethanoic acid :

Question # 12

In Dow's method, phenol can be made from

Question # 13

The formula of secondary alcohol is

Question # 14

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

Question # 15

95% alcohol is called

Question # 16

What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH

Question # 17

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 18

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Question # 19

Which compound shows more hydrogen bonding?

Question # 20

Which is not property in ether:

Question # 21

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

Question # 22

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

Question # 23

The reaction of sodium with ethanol gives

Question # 24

General formula of alcohol is:

Question # 25

Oxidation of ter-alcohol gives:

Question # 26

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 27

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

Question # 28

Alcohol reacts with halogen acid to produce

Question # 29

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

Question # 30

Which compound has the maximum repulsion with water?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 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
2 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
A. CH3OH
B. CH3CHO
C. CH3CH(OH)CH3
D. CH3COCH3
3 Ethanol containing some methanol is called
A. Absolute spirit
B. Rectified spirit
C. Power alcohol
D. Methylated spirit
4 Primary and secondary alcohols on action of red hot copper give
A. Aldehydes and ketones respectilvely
B. ketones and aldehydes respectively
C. Only aldehydes
D. Only ketones
5 Alcohols react with carboxylic acid to produce the class of compounds known as
A. Grignard's reagent
B. Esters
C. Amides
D. None of these
6 Oxidation of ter-alcohol gives:
A. Aldehyde
B. Formaldehyde
C. Ketone
D. Alkens
7 The only alcohol that can be prepared by the indirect hydration of alkene is
A. ethyl alcohol
B. propyl alcohol
C. isobutyl alcohol
D. methyl alcohol
8 An alcohol with molecular formula CnH2n+1OH has a chiral carbon atom but does not react with MnO-4/H+what is the least number of carbon atoms such an alcohol could possess
A. 5
B. 6
C. 7
D. 8
9 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
10 Ethanol is prepared in Pakistan form fermentation of:
A. Starch
B. Sugar
C. Glucose
D. Molasses

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