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

If an electrophile attacks then ______ bond breaks first

Question # 2

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

Question # 3

General formula of alcohol is:

Question # 4

Alcohols reacts with Grignard reagent to form

Question # 5

A compound is soluble in conc. H2SO4, it does not decolourise bromine in carbon tetrachloride but is oxidized by chromic anhydride in aqueous sulphuric acid within two seconds, turning orange solution to blue, green and then opaque. The original compound is

Question # 6

Alcohol reacts with halogen acid to produce

Question # 7

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

Question # 8

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

Question # 9

Which the increase in carbon number of solubility of an alcohol

Question # 10

Ethyl alcohol prepared during fermentation is pure:

Question # 11

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

Question # 12

Which bond shows maximum hydrogen bonding with water?

Question # 13

Alcohol fermentation is brought about by the action of

Question # 14

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

Question # 15

Either, an organic compound has close resemblance in structure and thus a derivative of:

Question # 16

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 17

Phenol is more readily soluble in

Question # 18

Phenols are derivative of:

Question # 19

Alcohols are derivatives of:

Question # 20

The formula of secondary alcohol is

Question # 21

Methanol is prepared from CO and H2 using catalyst:

Question # 22

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

Question # 23

Which of the following process is employed to convert alkyl halide into alcohol?

Question # 24

Salol is prepared from

Question # 25

Rectified spirit contains alcohol about

Question # 26

Grignard reagent on reaction with a ketone forms

Question # 27

Which of the following is known as wood spirit

Question # 28

Which compound is more soluble in water

Question # 29

Alcohols, phenols and ethers may be considered as derivative of

Question # 30

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

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 The formula of secondary alcohol is
A. R - OH
B. R - CH2OH
C. R2CHOH
D. R3COH
2 Methyl alcohol is not used:
A. As a subsitution for petrol
B. As an anti-freezing agent
C. For denating of ethyle alcohal
D. As a solvent
3 Which of the following process is employed to convert alkyl halide into alcohol?
A. Addition
B. Substitution
C. Dehydrohalogenation
D. Molecular rearrangement
4 General formula of alcohol is:
A. ROH
B. Ar-OH
C. R-O-R
D. Ph-OH
5 Oxidation of ter-alcohol gives:
A. Aldehyde
B. Formaldehyde
C. Ketone
D. Alkens
6 Which enzyme is not involved in fermentation of strach
A. Diastase
B. Zymase
C. Urease
D. Invertase
7 Phenol is used in the preparation of
A. Bakelite
B. Phenatherene
C. Cellulose
D. All of these
8 Either, an organic compound has close resemblance in structure and thus a derivative of:
A. Water
B. Oxides of lithium
C. Oxides of magnisium
D. Oxides of aluminium
9 Alcohols, phenols and ethers may be considered as derivative of
A. Hydrocarbons
B. Benzene
C. Carboxylic acid
D. Water
10 On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is
A. Methyl alcohol
B. Formic acid
C. Prop-2-enal
D. Glycerol sulphate

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