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	Williamson's synthesis is used to prepare	A. Diethylether B. Phenolphthalein C. Hydrogenation D. Bakelite
2	Methanol and ethanol can be distinguished by	A. Iodoform test B. Iucas test C. Dichromate/H₂SO₄oxidation test D. Flame test
3	Which structure shows a tertiary alcohol	A. CH₃CH₂OH B. (CH₃)₂CHOH C. (CH₃)₃COH D. CH₂OH
4	Phenol is more readily soluble in	A. Dil. HCl B. Both NaOH and HCl C. NaOH sol D. Sodium bicarbonate solution
5	Hydrolytic coversion of sucrose into glucose and fructose is known as	A. Induction B. Inversion C. Insertion D. Inhibition
6	Ethyl alcohol may be identified by	A. Ring test B. Iodoform test C. Tollen's test D. Bazeyer's test
7	Which of the following cannot be produced by acidic dehydration of alcohols?	A. Ethers B. Aldehyde C. Alkyl Hydrogen sulphate D. Alkene
8	Which of the following compounds will not react with sodium metal to release hydrogen	A. CH₃CH₂CH₃ B. CH₃CH₂OH C. C₆H₅OH D. C₆H₅CH₂OH
9	Which compound is more soluble in water?	A. C₂H₅OH B. C₅H₅OH C. CH₃OCH₃ D. n-Hexanol
10	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

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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 groups will increase the acidity of phenol?

Which compound is more soluble in water?

Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes

Alcohols of low molecular weight are

Which compound does not show hydrogen bonding with water

When alcohol reacts with concentreated H2SO4intermediate compound formed as

Which of the following cannot be produced by acidic dehydration of alcohols?

Which is possible in ethers?

Which enzyme is not involved in fermentation of strach

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

Alcohols are derivatives of:

Williamson's synthesis is used to prepare

Either, an organic compound has close resemblance in structure and thus a derivative of:

Alcohols are named by replacing 'e' of alkane with:

Phenol is also known as

Which of the following is correct?

95% alcohol is called

To prepare ethanol by fernentation the optimum temp. is

According to Lewis concept ethers behave as:

Organic acid without a carboxylic acid group is

Phenol gives ---------- Colour with neutral FeCl3solution

C2H5OH can be differentiated from CH3OH by

I-Phenylethanol can be prepared by reaction of benzaldehyde with

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

Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is

Dehydration of an alcohol at 180°

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

The organic compounds which derivative of hydrocarbons due to oxygen is:

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

Dehydration of ethyl alcohol yields

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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 isomers of C₅H₁₁OH gives, on dehydration, the greatest number of different alkenes

When alcohol reacts with concentreated H₂SO₄intermediate compound formed as

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

Phenol gives ---------- Colour with neutral FeCl₃solution

C₂H₅OH can be differentiated from CH₃OH by

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

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}