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

Ethanol can be converted into ethanoic acid :

Question # 2

An organic compound 'X' on treatment with acidified K2Cr2O7gives a compound 'Y' which reacts with I2and sodium carbonate to form Triodomethane. The compound 'X' is

Question # 3

Sodium phenoxide reacts with CO2at 400 K and 4.7 atm pressure to give

Question # 4

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

Question # 5

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 # 6

Which is possible in ethers?

Question # 7

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI2

Question # 8

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 9

Which compound has the maximum repulsion with water?

Question # 10

Which compound shows hydrogen bonding

Question # 11

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 # 12

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 13

Which compound shows hydrogen bonding

Question # 14

Methanol and ethanol can be distinguished by

Question # 15

Alcohals can be distinguished using test:

Question # 16

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

Question # 17

Taste of lower alcohols is:

Question # 18

Alcohol reacts with halogen acid to produce

Question # 19

The only alcohol that can be prepared by the indirect hydration of alkene is

Question # 20

Alcohols are derivatives of:

Question # 21

Methyl alcohol is not used:

Question # 22

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

Question # 23

Hydrolytic coversion of sucrose into glucose and fructose is known as

Question # 24

The malt-sugar in the presence of yeast or invertase gives

Question # 25

The reaction of sodium with ethanol gives

Question # 26

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

Question # 27

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

Question # 28

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

Question # 29

In Dow's method, phenol can be made from

Question # 30

Scientific study of fermentation was first made by

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Dehydration of glycerol give
A. Propane
B. Propene
C. Acrolein
D. Benzene
2 95% alcohol is called
A. Rectified spirit
B. Spirit of wine
C. Spirit
D. Methylated
3 Ethyl alcohol prepared during fermentation is pure:
A. 20%
B. 10%
C. 11%
D. 12%
4 Derivative of water is:
A. Alcohals
B. Phenols
C. Either
D. Phenol
5 An organic compound 'X' on treatment with acidified K2Cr2O7gives a compound 'Y' which reacts with I2and sodium carbonate to form Triodomethane. The compound 'X' is
A. CH3OH
B. CH3CHO
C. CH3CH(OH)CH3
D. CH3COCH3
6 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
7 Alcohol reacts with halogen acid to produce
A. Alkyl halides
B. Aldelydes
C. Ketones
D. Alkanes
8 What will react differently with the two isomeric pentols, (CH3)3CCH2OH and (CH3)2CH CH2CH2OH
A. Acidified (aq) KMnO4
B. Concentrated H2SO4
C. PCl
D. Sodium
9 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
10 Which bond shows maximum hydrogen bonding with water?
A. CH3OH
B. C2H5OH
C. CH3----O----CH3
D. C6H5OH

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