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

Methyl alcohol is not used

Question # 2

Which compound shows hydrogen bonding

Question # 3

Which bond shows maximum hydrogen bonding with water?

Question # 4

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

Question # 5

Alcohol fermentation is brought about by the action of

Question # 6

When phenol is distilled with zinc dust. It is reduced to

Question # 7

The formula of secondary alcohol is

Question # 8

Which compound is more soluble in water

Question # 9

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

Question # 10

Na reacts with phenol to produce

Question # 11

Which compound shows more hydrogen bonding?

Question # 12

The boiling point of glycerol is more than propanal because of

Question # 13

Phenols are derivative of:

Question # 14

In Lucas test teriary alcohol make an oily layer

Question # 15

If an electrophile attacks then ______ bond breaks first

Question # 16

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

Question # 17

When phenol is reduced in the presence of Zn dust, we get

Question # 18

Which of the following groups will increase the acidity of phenol?

Question # 19

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

Question # 20

Nitration of phenol gives

Question # 21

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

Question # 22

Alcohols react with carboxylic acid to produce the class of compounds known as

Question # 23

Which compound contains - OH in their molecule

Question # 24

Alcohol can be denaturated by adding:

Question # 25

Which of the following is weakly acidic in nature

Question # 26

Which is a reagent for Lucas test

Question # 27

Phenol is used in the preparation of

Question # 28

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 # 29

Which of the following will not give iodoform test?

Question # 30

Carbolic acid is the other name for

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 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
2 How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O
A. 3
B. 4
C. 5
D. 6
3 Which compound is more soluble in water
A. C2H5OH
B. Benzene
C. CH3OCH3
D. Hexane
4
Question Image
A. Aqueous bromine
B. Dilute HNO3
C. Dilute HCI
D. CH3COCI
5 During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is
A. Formation of an ester
B. Protonation of alcohol molecule
C. Formation of carbocation
D. Elimination of water
6 Ethylene reacts will 1% cold alkaline KMnO4to give
A. Oxalic acid
B. Acetone
C. Ethylene glycol
D. Formaldehyde
7 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?
A. H3PO4
B. H3PO2
C. HPO3
D. H3PO3
8 which enzyme is not involved in the fermentation of starch ?
A. Diastase
B. Zymase
C. Urease
D. Invertase
9 Salol is prepared from
A. Salicylic acid and phenol
B. Salicylic acid and methyl alcohol
C. Both
D. None
10 The boiling point of glycerol is more than propanal because of
A. Hybridisation
B. H-bonding
C. Resonance
D. All these factors

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