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

Rectified spirit contains alcohol about

Question # 2

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

Question # 3

Ethanol can be converted into ethanoic acid by

Question # 4

Alcohols are derivatives of:

Question # 5

According to Lewis concept ethers behave as:

Question # 6

Which is not property in ether:

Question # 7

Oxidation of ter-alcohol gives:

Question # 8

Which of the following is correct?

Question # 9

Which structure shows a tertiary alcohol

Question # 10

Which of the following statements is correct?

Question # 11

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 12

Baukelite is a polymer obtained from two monomers

Question # 13

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 14

Dehydration of an alcohol at 180°

Question # 15

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?

Question # 16

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Question # 17

Concentration of rectified spirit is:

Question # 18

Propanone is the product obtained by dehydrogenation of

Question # 19

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

Question # 20

Industrial alcohol may be denaturated by the addition of

Question # 21

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

Question # 22

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

Question # 23

The order of reactivity of halogen acids for reaction with C2H5OH is

Question # 24

Which one is primary alcohol?

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

Dow's process is used for the preparation of

Question # 29

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

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 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
2 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
3 Oxidation of ter-alcohol gives:
A. Aldehyde
B. Formaldehyde
C. Ketone
D. Alkens
4 The malt-sugar in the presence of yeast or invertase gives
A. Fructose
B. Glucose
C. Lignin
D. Alcohol
5 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
6 Which one is primary alcohol?
A. Buten-2-ol
B. Propan-2-ol
C. Butaon-1-ol
D. 2,3-Dimethylhexane-4-ol
7 Dehydration of an alcohol at 180°
A. Alkene
B. Ether
C. Ester
D. An hydride
8 Which enzyme is not involved in fermentation of strach
A. Diastase
B. Zymase
C. Urease
D. Invertase
9 When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is
A. Oxalic acid
B. Glyoxal
C. Formic acid
D. Ethanol
10 Alcohols reacts with Grignard reagent to form
A. Alkanes
B. Alkenes
C. Alkynes
D. All

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