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

Rectified spirit contains alcohol about

Question # 2

Which is not property in ether:

Question # 3

Phenol is used in the preparation of

Question # 4

Which of the following will not give iodoform test?

Question # 5

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

Question # 6

Which compound is more soluble in water

Question # 7

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 # 8

The strongest acid among the following aromatic compound is

Question # 9

In Lucas test teriary alcohol make an oily layer

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Which is possible in ethers?

Question # 14

Ethyl alcohol is industrially prepared from ethylene by

Question # 15

Which enzyme is not involved in fermentation of strach

Question # 16

Dehydration of an alcohol at 180°

Question # 17

Grignard reagent on reaction with a ketone forms

Question # 18

95% alcohol is called

Question # 19

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

Question # 20

Mild oxidation of glycerol with H2O2/FeSO4gives

Question # 21

Ethyl alcohol on oxidation with K2Cr2O7gives

Question # 22

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 # 23

Which more acidic?

Question # 24

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

Question # 25

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 # 26

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

Question # 27

Alcohals can be distinguished using test:

Question # 28

Absolute alcohol is obtained by adding rectified apirit in alcohol:

Question # 29

Which compound shows hydrogen bonding

Question # 30

The reaction of sodium with ethanol gives

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.# Question Answer
1 When phenol is distilled with zinc dust. It is reduced to
A. Benzene
B. Benzaldehyde
C. Toluene
D. Hexanol
2 General formula of alcohol is:
A. ROH
B. Ar-OH
C. R-O-R
D. Ph-OH
3 Glucose in the presence of zymase is converted into
A. Alcohol
B. Acid
C. Ethyl alcohol
D. Ketone
4 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
5 Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as
A. Frledel-Craft reaction
B. Riemer-Tiemann's reaction
C. Rosenmund's reaction
D. Sommelet reaction
6 Alcohol reacts with halogen acid to produce
A. Alkyl halides
B. Aldelydes
C. Ketones
D. Alkanes
7 Either, an organic compound has close resemblance in structure and thus a derivative of:
A. Water
B. Oxides of lithium
C. Oxides of magnisium
D. Oxides of aluminium
8 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
9 Which of the following statements is correct?
A. Phenol is less acidic than ethyl alcohol
B. Phenol is more acidic than ethanol
C. Phenol is more acidic than carbonic acid
D. Phenol is more acidic than CH3COOH
10 Ethyl alcohol prepared during fermentation is pure:
A. 20%
B. 10%
C. 11%
D. 12%

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