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

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

Question # 2

Industrial alcohol may be denaturated by the addition of

Question # 3

In Lucas test teriary alcohol make an oily layer

Question # 4

Methanol and ethanol can be distinguished by

Question # 5

The formula of secondary alcohol is

Question # 6

Taste of lower alcohols is:

Question # 7

Which of the following will not give iodoform test?

Question # 8

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

Question # 9

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

Question # 10

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 11

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 # 12

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

Question # 13

Phenols are derivative of:

Question # 14

During dehydration of alcohols to alkenes by heating with conc. H2SO4, the initial step is

Question # 15

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 16

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

Question # 17

Which compound is called a universal solvent?

Question # 18

Which compound is more soluble in water

Question # 19

Which compound is more soluble in water?

Question # 20

Phenol was discovered by:

Question # 21

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

Question # 22

According to Lewis concept ethers behave as:

Question # 23

In Dow's method, phenol can be made from

Question # 24

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

Question # 25

The reaction of sodium with ethanol gives

Question # 26

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

Question # 27

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

Question # 28

Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?

Question # 29

Carbolic acid is the other name for

Question # 30

Which of the following is used as anesthetics

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which of the following will not give iodoform test?
A. Ethanol
B. Ethanal
C. Isopropyl alcohol
D. Benzyl alcohol
2 Oxidation of methyl alcohol gives
A. Formaldehyde
B. Acetone
C. Ester
D. Acid
3 Alcohols are named by replacing 'e' of alkane with:
A. al
B. ene
C. ol
D. one
4 Ethyl alcohol on oxidation with K2Cr2O7gives
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
5 The boiling points of alcohols are higher than the corresponding alkanes, This is because
A. Of hydrogen bonding existing between molecules of alcohols
B. Alkanes are dipolar compounds
C. Alcohols are sweet in taste
D. Alcohols are soluble in water
6 Which is a reagent for Lucas test
A. ZnCl2+ Conc. HCl
B. Zn
C. Na
D. Br
7 Which of the following cannot be produced by acidic dehydration of alcohols?
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
8 Hydrolytic coversion of sucrose into glucose and fructose is known as
A. Induction
B. Inversion
C. Insertion
D. Inhibition
9 Which the increase in carbon number of solubility of an alcohol
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
10 Which of the following is used as anesthetics
A. Alcohol
B. Diethylether
C. Phenol
D. Dimethyl ether

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