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	Which of the following is an isomer of ethanol	A. CH₃OCH₃ B. C₂H₅OC₂H₅ C. CH₃OH D. C₂H₅OH
2	During dehydration of alcohols to alkenes by heating with conc. H₂SO₄, the initial step is	A. Formation of an ester B. Protonation of alcohol molecule C. Formation of carbocation D. Elimination of water
3	Which the increase in carbon number of solubility of an alcohol	A. Increases B. Decreases C. Remains unaffected D. None of these
4	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
5	When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is	A. Oxalic acid B. Glyoxal C. Formic acid D. Ethanol
6	Rectified spirit contains alcohol about	A. 80% B. 85% C. 90% D. 95%
7	95% alcohol is called	A. Rectified spirit B. Spirit of wine C. Spirit D. Methylated
8	Which compound is more soluble in water?	A. C₂H₅OH B. C₅H₅OH C. CH₃OCH₃ D. n-Hexanol
9	Methyl alcohol is not used:	A. As a subsitution for petrol B. As an anti-freezing agent C. For denating of ethyle alcohal D. As a solvent
10		A. Aqueous bromine B. Dilute HNO₃ C. Dilute HCI D. CH₃COCI

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

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

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

Alcohols, phenols and ethers may be considered as derivative of

Which statement in not correct about alcohol?

Rectified spirit contains alcohol about

Ethylene reacts will 1% cold alkaline KMnO4to give

Which is possible in ethers?

The boiling point of glycerol is more than propanal because of

Phenol is also known as

Alcohol reacts with halogen acid to produce

Which compound is more soluble in water

Which bond shows maximum hydrogen bonding with water?

Scientific study of fermentation was first made by

The strongest acid among the following aromatic compound is

In its reaction with Na, 1 mol of X gives 1 mol of H2(g). What is X

Alcohol fermentation is brought about by the action of

denaturing of alcohol is done by adding methanol in ethanol:

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

Alcohols are derivatives of:

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

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

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

Taste of lower alcohols is:

Propanone is the product obtained by dehydrogenation of

Isopropyl alcohol on oxidation gives

A compound of the formula C4H10Oreacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is

Derivative of water is:

Industrial alcohol may be denaturated by the addition of

Phenols are derivative of:

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

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

Ethylene reacts will 1% cold alkaline KMnO₄to give

In its reaction with Na, 1 mol of X gives 1 mol of H_2(g). What is X

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

A compound of the formula C₄H₁₀O_{reacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is}