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

Isopropyl alcohol on oxidation gives

Question # 2

Which of the following is correct?

Question # 3

Alcohol reacts with halogen acid to produce

Question # 4

Baukelite is a polymer obtained from two monomers

Question # 5

Methanol and ethanol can be distinguished by

Question # 6

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

Question # 7

Which more acidic?

Question # 8

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 # 9

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

Question # 10

Industrial alcohol may be denaturated by the addition of

Question # 11

The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called

Question # 12

Glucose in the presence of zymase is converted into

Question # 13

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

Question # 14

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 # 15

Which of the following will not give iodoform test?

Question # 16

Which statement in not correct about alcohol?

Question # 17

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

Question # 18

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 19

Ethanol containing some methanol is called

Question # 20

which enzyme is not involved in the fermentation of starch ?

Question # 21

Rectified spirit contains alcohol about

Question # 22

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

Question # 23

Which compound is more soluble in water

Question # 24

Oxidation of methyl alcohol gives

Question # 25

Rectified spirit contains alcohol about:

Question # 26

General formula of alcohol is:

Question # 27

Scientific study of fermentation was first made by

Question # 28

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

Question # 29

Oxidation of 2-propanol gives

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Dehydration of ethyl alcohol yields
A. Aldehyde
B. Ketone
C. Acid
D. Alkene
2 Phenol is more readily soluble in
A. Dil. HCl
B. Both NaOH and HCl
C. NaOH sol
D. Sodium bicarbonate solution
3 which enzyme is not involved in the fermentation of starch ?
A. Diastase
B. Zymase
C. Urease
D. Invertase
4 Williamson's synthesis is used to prepare
A. Diethylether
B. Phenolphthalein
C. Hydrogenation
D. Bakelite
5 In Lucas test primary alcohol make as oily layer
A. Immediately
B. In 10 mins
C. On heating
D. Not
6 Which more acidic?
A. o-cresol
B. p-nitrophenol
C. phenol
D. m-cresol
7 In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X
A. CH3CH2CH2CH2OH
B. (CH3)3COH
C. CH3CH2CH2CO2H
D. CH3CH(OH)CO2H
8 Phenols are derivative of:
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
9 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
10 Dehydration of an alcohol at 180°
A. Alkene
B. Ether
C. Ester
D. An hydride

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