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

Use of ethanol as:

Question # 2

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO4

Question # 3

C2H5OH can be differentiated from CH3OH by

Question # 4

The organic compounds which are derivative of hydrocarbons of oxygen are:

Question # 5

Ethyl alcohol is industrially prepared from ethylene by

Question # 6

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 # 7

Nitration of phenol gives

Question # 8

Na reacts with phenol to produce

Question # 9

Phenol is also known as

Question # 10

If an electrophile attacks then ______ bond breaks first

Question # 11

Organic acid without a carboxylic acid group is

Question # 12

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

Question # 13

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

Question # 14

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 15

The organic compounds which derivative of hydrocarbons due to oxygen is:

Question # 16

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

Question # 17

Glucose in the presence of zymase is converted into

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

Carbolic acid is the other name for

Question # 22

Methyl alcohol is not used

Question # 23

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 # 24

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

Question # 25

The boiling points of alcohols are higher than the corresponding alkanes, This is because

Question # 26

Which compound contains - OH in their molecule

Question # 27

Dow's process is used for the preparation of

Question # 28

Alcohol reacts with halogen acid to produce

Question # 29

Industrial alcohol may be denaturated by the addition of

Question # 30

An organic compound 'X' on treatment with acidified K2Cr2O7gives a compound 'Y' which reacts with I2and sodium carbonate to form Triodomethane. The compound 'X' is

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ECAT Class Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of
A. Ketone
B. Aidehyde
C. Ether
D. Alkyl halide
2
Question Image
A. 1-bromobutane
B. 2-bromobutane
C. 1-bromo-2-methyl propane
D. 2-bromo-2-methyl propane
3 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
4 95% alcohol is called
A. Rectified spirit
B. Spirit of wine
C. Spirit
D. Methylated
5 Ethyl alcohol may be identified by
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
6 Na reacts with phenol to produce
A. H2gas
B. Benzene
C. CO2gas
D. CO gas
7 Isopropyl alcohol on oxidation gives
A. Acetone
B. Ether
C. Ethylene
D. Acetaldehyde
8 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
9 Rectified spirit contains alcohol about:
A. 80%
B. 85%
C. 90%
D. 95%
10 Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch
A. Diastase
B. Maltase
C. Zymase
D. Invertase

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