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 process is employed to convert alkyl halide into alcohol?

Question # 2

Taste of lower alcohols is:

Question # 3

Which of the following is used as anesthetics

Question # 4

The reaction of sodium with ethanol gives

Question # 5

Picric acid is

Question # 6

Ethanol can be converted into ethanoic acid by

Question # 7

Which statement in not correct about alcohol?

Question # 8

Alcohol can be denaturated by adding:

Question # 9

Which compound shows more hydrogen bonding?

Question # 10

Which structure shows a tertiary alcohol

Question # 11

During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is

Question # 12

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 # 13

C2H5OH can be differentiated from CH3OH by

Question # 14

Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes

Question # 15

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

Question # 16

Ethanol containing some methanol is called

Question # 17

Which of the following is an isomer of ethanol

Question # 18

Which of the following will not give iodoform test?

Question # 19

Ethanol is prepared in Pakistan form fermentation of:

Question # 20

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

Question # 21

Williamson's synthesis is used to prepare

Question # 22

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

Question # 23

Methanol and ethanol can be distinguished by

Question # 24

Which is used as an antifreeze?

Question # 25

Phenol was discovered by:

Question # 26

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 27

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

Question # 28

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

Question # 29

Which of the following statements is correct?

Question # 30

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
2 Dehydration of glycerol give
A. Propane
B. Propene
C. Acrolein
D. Benzene
3 Concentration of rectified spirit is:
A. 12%
B. 14%
C. 90%
D. 95%
4 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
A. Acetaldehyde, tertiary butyl alcohol
B. Acetaldehyde, ethyl alcohol
C. Acetaldehyde, isopropyl alcohol
D. Acetone, isopropyl alcohol
5 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
6 Which is not property in ether:
A. Very weak hydogen bonding
B. High b.p
C. Slightly soluble
D. Inflammable
7 On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is
A. Methyl alcohol
B. Formic acid
C. Prop-2-enal
D. Glycerol sulphate
8 Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?
A. Ethylether
B. Acetone
C. Ethane
D. Ethanol
9 I-Phenylethanol can be prepared by reaction of benzaldehyde with
A. Methyl iodide an Magnesium
B. Methyl bromide
C. Methyl bromide and AIBr3
D. C2H5l and Mg
10 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

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