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

C2H5OH can be differentiated from CH3OH by

Question # 2

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 3

Which of the following is known as wood spirit

Question # 4

Which of the following is weakly acidic in nature

Question # 5

Carbolic acid is the other name for

Question # 6

Ethylene reacts will 1% cold alkaline KMnO4to give

Question # 7

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

Question # 8

Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as

Question # 9

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

Question # 10

Which compound shows more hydrogen bonding?

Question # 11

Dehydration of glycerol give

Question # 12

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

Question # 13

I-Phenylethanol can be prepared by reaction of benzaldehyde with

Question # 14

Salol is prepared from

Question # 15

Isopropyl alcohol on oxidation gives

Question # 16

Which the increase in carbon number of solubility of an alcohol

Question # 17

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 # 18

Methanol and ethanol can be distinguished by

Question # 19

Baukelite is a polymer obtained from two monomers

Question # 20

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

Question # 21

According to Lewis concept ethers behave as:

Question # 22

Which is a reagent for Lucas test

Question # 23

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

Question # 24

Taste of lower alcohols is:

Question # 25

95% alcohol is called

Question # 26

Grignard reagent on reaction with a ketone forms

Question # 27

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 28

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Question # 29

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

Question # 30

If an electrophile attacks then ______ bond breaks first

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 Which of the following compound is obtained on passing ethanol vapours on heated Al2O3?
A. Ethylether
B. Acetone
C. Ethane
D. Ethanol
2 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
3 Phenol was discovered by:
A. Hofmann
B. Runge
C. Henderson
D. Bakelite
4 Which of the following will not give iodoform test?
A. Ethanol
B. Ethanal
C. Isopropyl alcohol
D. Benzyl alcohol
5 Ethanol can be converted into ethanoic acid :
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
6 Ethanol is prepared in Pakistan form fermentation of:
A. Starch
B. Sugar
C. Glucose
D. Molasses
7 Williamson's synthesis is used to prepare
A. Diethylether
B. Phenolphthalein
C. Hydrogenation
D. Bakelite
8 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
A. Primary alcohol
B. Tertiary alcohol
C. alkene
D. ether
9 Phenols are derivative of:
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
10 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

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