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

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

Question # 2

Ethanol containing some methanol is called

Question # 3

The reaction of sodium with ethanol gives

Question # 4

Which of the following will not give iodoform test?

Question # 5

Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of

Question # 6

C2H5OH can be differentiated from CH3OH by

Question # 7

Phenol is used in the preparation of

Question # 8

denaturing of alcohol is done by adding methanol in ethanol:

Question # 9

Which of the following compounds will not react with sodium metal to release hydrogen

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Which more acidic?

Question # 14

Which compound shows hydrogen bonding

Question # 15

Phenol is also known as

Question # 16

Alcohol fermentation is brought about by the action of

Question # 17

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 18

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 # 19

An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound

Question # 20

General formula of alcohol is:

Question # 21

If an electrophile attacks then ______ bond breaks first

Question # 22

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

Question # 23

Maximum number of active hydrogens are present in

Question # 24

Salol is prepared from

Question # 25

95% alcohol is called

Question # 26

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

Question # 27

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

Question # 28

Which enzyme is not involved in fermentation of strach

Question # 29

Which bond shows maximum hydrogen bonding with water?

Question # 30

Picric acid is

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Ethyl alcohol is industrially prepared from ethylene by
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
2 Taste of lower alcohols is:
A. Sweet
B. Bitter
C. Our
D. Salty
3 When alcohol reacts with concentreated H2SO4intermediate compound formed as
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
4 Alcohols are named by replacing 'e' of alkane with:
A. al
B. ene
C. ol
D. one
5 Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid
6 Organic acid without a carboxylic acid group is
A. Ascorbic acid
B. Vinegar
C. Oxalic acid
D. Picric acid
7 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
8 The hydroxyl derivatives of aromatic hydrocarbons which have the -OH group directly bonded to the ring C-atom are called
A. Alcohols
B. Ketones
C. Esters
D. Phenols
9 Sodium phenoxide reacts with CO2at 400 K and 4.7 atm pressure to give
A. Sodium salicylate
B. Salicyl aldehyde
C. Catechol
D. Benzoic acid
10 Which of the following is an isomer of ethanol
A. CH3OCH3
B. C2H5OC2H5
C. CH3OH
D. C2H5OH

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