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

Which one is primary alcohol?

Question # 3

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 4

Which statement in not correct about alcohol?

Question # 5

Which of the following is the most suitable method for removing the traces of water from ethanol?

Question # 6

denaturing of alcohol is done by adding methanol in ethanol:

Question # 7

Methyl alcohol is not used

Question # 8

If an electrophile attacks then ______ bond breaks first

Question # 9

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

Question # 10

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 11

Organic acid without a carboxylic acid group is

Question # 12

In Lucas test primary alcohol make as oily layer

Question # 13

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

Question # 14

Oxidation of 2-propanol gives

Question # 15

Phenol is used in the preparation of

Question # 16

The boiling point of glycerol is more than propanal because of

Question # 17

In Lucas test teriary alcohol make an oily layer

Question # 18

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

Question # 19

Ethanol is prepared in Pakistan form fermentation of:

Question # 20

Phenol is also known as

Question # 21

Salol is prepared from

Question # 22

The strongest acid among the following aromatic compound is

Question # 23

I-Phenylethanol can be prepared by reaction of benzaldehyde with

Question # 24

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

Question # 25

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

Question # 26

which enzyme is not involved in the fermentation of starch ?

Question # 27

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 # 28

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 # 29

In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 The strongest acid among the following aromatic compound is
A. Ortho-nitrophenol
B. Para-chlorophenol
C. Para-nitrophenol
D. Meta-nitrophenol
2 Diethyl ether is obtained by Williamsons synthesis using
A. Ethanol + Na + C2H5Br
B. Ethanol + Mg + C2H5Br
C. Methanol + Na + CH3Br
D. Methanol + Mg + CH3Br
3 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
4 An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound
A. KMnO4
B. Ethanol
C. Ethane
D. CH3CH2Cl
5 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
6 Which alcohol gives only one oxidation product when wormed with dil acidified K2Cr2O7
A. Butan-1-ol
B. Butan-2-ol
C. 2-methyl propan-1-ol
D. 2-methyl propan-2-ol
7 Which compound is called a universal solvent?
A. H2O
B. CH3OH
C. C2H5OH
D. CH3----O---CH3
8 Which compound is more soluble in water?
A. C2H5OH
B. C5H5OH
C. CH3OCH3
D. n-Hexanol
9 Use of ethanol as:
A. Drink
B. Solvent and fuel
C. In beverage
D. All of these
10 Na reacts with phenol to produce
A. H2gas
B. Benzene
C. CO2gas
D. CO gas

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