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

The formula of secondary alcohol is

Question # 2

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

Question # 3

Which enzyme is not involved in fermentation of strach

Question # 4

The reaction of sodium with ethanol gives

Question # 5

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 6

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 7

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

Question # 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

Question # 9

Which of the following statements is correct?

Question # 10

Which structure shows a tertiary alcohol

Question # 11

Which the increase in carbon number of solubility of an alcohol

Question # 12

Which compound does not show hydrogen bonding with water

Question # 13

Which compound contains - OH in their molecule

Question # 14

Dehydration of ethyl alcohol yields

Question # 15

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

Question # 16

To prepare ethanol by fernentation the optimum temp. is

Question # 17

Phenol gives ---------- Colour with neutral FeCl3solution

Question # 18

Which compound will not dissolve in H2O

Question # 19

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

Question # 20

In Lucas test teriary alcohol make an oily layer

Question # 21

Scientific study of fermentation was first made by

Question # 22

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

Question # 23

Which compound shows hydrogen bonding

Question # 24

Na reacts with phenol to produce

Question # 25

Ethyl alcohol is industrially prepared from ethylene by

Question # 26

Carbolic acid is the other name for

Question # 27

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

Question # 28

Alcohol fermentation is brought about by the action of

Question # 29

Derivative of water is:

Question # 30

Which of the following compounds will not react with sodium metal to release hydrogen

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 95% alcohol is called
A. Rectified spirit
B. Spirit of wine
C. Spirit
D. Methylated
2 The boiling point of glycerol is more than propanal because of
A. Hybridisation
B. H-bonding
C. Resonance
D. All these factors
3 Alcohol fermentation is brought about by the action of
A. CO2
B. O2
C. Invertase
D. Yeast
4 Nitration of phenol gives
A. o-nitrophenol
B. p-nitrophenol
C. m-nitrophenol
D. Both o and p-nitrophenol
5 Alcohol can be denaturated by adding:
A. Acetone
B. Methanol
C. Pyridine
D. All
6 The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called
A. Kolbe's reaction
B. Perkin's reaction
C. Sandmeyer's reaction
D. Schotten Baumann reaction
7 Which is possible in ethers?
A. Reactivity high
B. Oxidation and reduction
C. Reactivity towards bases
D. Towards acids
8 Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
9 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
10 Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid

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