ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

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ECAT Chemistry Chapter 22 Important MCQ's

Sr.#	Question	Answer
1	Ethanol can be converted into ethanoic acid by	A. Hydrogenation B. Hydration C. Oxidation D. Fermentation
2	Organic acid without a carboxylic acid group is	A. Ascorbic acid B. Vinegar C. Oxalic acid D. Picric acid
3	Which is possible in ethers?	A. Reactivity high B. Oxidation and reduction C. Reactivity towards bases D. Towards acids
4	How many secondary alcoholic groups are present in the structure of glucose OHC CHOH CHOHCH OH CHOH CH₂OH	A. 1 B. 2 C. 3 D. 4
5	Absolute alcohol is obtained by adding rectified apirit in alcohol:	A. Water B. Na₂CO₃ C. NaOH D. CaO
6	Williamson's synthesis is used to prepare	A. Diethylether B. Phenolphthalein C. Hydrogenation D. Bakelite
7		A. Aqueous bromine B. Dilute HNO₃ C. Dilute HCI D. CH₃COCI
8	Alcohol fermentation is brought about by the action of	A. CO₂ B. O₂ C. Invertase D. Yeast
9	Which one of the following reacts immediately with conc. HCI in the presence of ZnCI₂	A. Primary alcohol B. Secondary alcohol C. Tertiary alcohol D. Ether
10	Which compound is more soluble in water	A. C₂H₅OH B. C₆H₅OH C. CH₃OCH₃ D. n-hexanol

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ECAT Pre Engineering Chemistry Chapter 22 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers

Which the increase in carbon number of solubility of an alcohol

According to Lewis concept ethers behave as:

Which of the following is known as wood spirit

If an electrophile attacks then ______ bond breaks first

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

Alcohols of low molecular weight are

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

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

Picric acid is

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

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

Nitration of phenol gives

Which is not property in ether:

Which compound does not show hydrogen bonding with water

Which compound shows hydrogen bonding

Mild oxidation of glycerol with H2O2/FeSO4gives

which enzyme is not involved in the fermentation of starch ?

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

Which compound is more soluble in water?

Ethyl alcohol may be identified by

Alcohols react with carboxylic acid to produce the class of compounds known as

Rectified spirit contains alcohol about:

Which compound shows hydrogen bonding

The boiling point of glycerol is more than propanal because of

Industrial alcohol may be denaturated by the addition of

Methyl alcohol is not used:

Grignard reagent on reaction with a ketone forms

Diethyl ether is obtained by Williamsons synthesis using

Salol is prepared from

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

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Top Scorers Of ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers MCQ`s Test

ECAT Chemistry Chapter 22 Important MCQ's

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

An alcohol with molecular formula C_nH_2n+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

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

Mild oxidation of glycerol with H₂O₂/FeSO₄gives

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