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

Which compound shows hydrogen bonding

Question # 2

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

Question # 3

Picric acid is

Question # 4

Nitration of phenol gives

Question # 5

C2H5OH can be differentiated from CH3OH by

Question # 6

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 # 7

Isopropyl alcohol on oxidation gives

Question # 8

Which of the following is correct?

Question # 9

Which one is primary alcohol?

Question # 10

denaturing of alcohol is done by adding methanol in ethanol:

Question # 11

Use of ethanol as:

Question # 12

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

Question # 13

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

Question # 14

Phenols are derivative of:

Question # 15

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

Question # 16

Which of the following is an isomer of ethanol

Question # 17

Which of the following compound is known as oil of winter green?

Question # 18

Methanol and ethanol can be distinguished by

Question # 19

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

Question # 20

Rectified spirit contains alcohol about

Question # 21

Rectified spirit contains alcohol about:

Question # 22

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C4H10O

Question # 23

Dehydration of an alcohol at 180°

Question # 24

Which compound is more soluble in water

Question # 25

Baukelite is a polymer obtained from two monomers

Question # 26

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

Question # 27

Which more acidic?

Question # 28

Which one of the following correctly describes the acid properties of phenol

Question # 29

Which of the following is known as wood spirit

Question # 30

Which compound shows more hydrogen bonding?

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Use of ethanol as:
A. Drink
B. Solvent and fuel
C. In beverage
D. All of these
2 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
A. From orange to green
B. From pink to green
C. From orange to colorless
D. From pink to colorless
3 Which compound shows hydrogen bonding
A. C2H6
B. C2H5CI
C. CH3- O - CH3
D. C2H5OH
4 Which is not property in ether:
A. Very weak hydogen bonding
B. High b.p
C. Slightly soluble
D. Inflammable
5 The formula of secondary alcohol is
A. R - OH
B. R - CH2OH
C. R2CHOH
D. R3COH
6 When sodium metal reacts with alcohols
A. Hydrogen gas evolves
B. Sodium hydroxide is obtained
C. Alcohol is reduced
D. Alcohol is polymerised
7 The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:
A. Water
B. Oxidizes of lithium oxides
C. Oxidizes of magnesium
D. Oxidizes of aluminium
8 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
9 An organic compound will decolorise dill acidified (aq) KMnO4on warming, but will not decolorise bromine water. What is the compound
A. KMnO4
B. Ethanol
C. Ethane
D. CH3CH2Cl
10 Carbolic acid is the other name for
A. Methanol
B. Ethanol
C. Propanol
D. Phenol

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