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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test MCQs With Answers

Question # 1

Ethylene reacts will 1% cold alkaline KMnO₄to give

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Oxalic acid

Acetone

Ethylene glycol

Formaldehyde

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Question # 2

Compound X has molecular formula C₁₀H₁₄O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X

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Question # 3

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

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C₂H₅OH

CH₃OH

CH₃COOH

C₂H₂

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Question # 4

Industrial alcohol may be denaturated by the addition of

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Methyl alcohol

Acetone

Pyridine

Any of the above reagent

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Question # 5

Methanol and ethanol can be distinguished by

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Iodoform test

Iucas test

Dichromate/H₂SO₄oxidation test

Flame test

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Question # 6

Maximum number of active hydrogens are present in

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Acetic acid

Glycerol

Methane

Methanol

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Question # 7

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

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Alcohols

Ketones

Esters

Phenols

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Question # 8

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

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Question # 9

Ethanol can be converted into ethanoic acid by

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Hydrogenation

Hydration

oxidation

Frmentation

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Question # 10

Hydrolytic coversion of sucrose into glucose and fructose is known as

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Induction

Inversion

Insertion

Inhibition

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