Alcohols, Phenols, and Ethers

Alcohols, Phenols and Ethers 1

These MCQs are intended for checking your Chemistry subject, Chapter Alcohols, Phenols and Ethers knowledge.

Order of esterification of alcohols are

Vapours of an alcohol X when passed over hot reduced copper, produce an alkene, the alcohol is

An unknown alcohol is treated with “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts fastest and by what mechanism?

What happens when tertiary butyl alcohol is passed over heated copper at 300°C?

Arrange the following alcohols in order of increasing reactivity towards sodium metal.
(i) (CH3)3C-OH
(ii) (CH3)2CH-OH
(iii) CH3CH2OH

Phenol when treated with excess of bromine water gives a white precipitate of

In the following reaction sequence Z is
MCQ Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers with Answers 6

The best reagent to convert pent-3-en-2-ol into pent-3-en- 2-one is

The decreasing order of boiling point of the following alcohols is

Identify the final product of the reaction sequence.
MCQ Questions for Class 12 Chemistry Chapter 11 Alcohols, Phenols and Ethers with Answers 5

One mole of ethyl acetate on treatment with an excess of LiAlH4 in dry ether and subsequent acidification produces

An alcohol X when treated with hot cone. H2SO4 gave an alkene Y with formula C4H8. This alkene on ozonolysis gives single product with molecular formula C2H4O. The alcohol is

Which of the following alcohols gives 2-butenc on dehydration byconc. H2SO4?

A compound X with the molecular formula C2H8O can be oxidised to another compound Y whose molecular formulae is C3H6O2. The compound X may be

Picricacid is a yellow coloured compound. Its chemical name is

What would be the reactant and reagent used to obtain 2, 4-dimenthyl pentan-3-ol?

Acid catalysed dehydration of t-butanol is faster than that of n-butanol because

1-Phenylethanol can be prepared by the reaction of benzaldehyde with

The major product of acid catalysed dehydration of 2-methylcyclohexanol and butan-1-ol are respectively

The most suitable reagent for the conversion of RCH2OH → RCHO is

Which of the following alcohols will give the most stable carbocation during dehydration?

Ortho-nitrophenol is less soluble in water than, p- and m- nitrophenols because

Which of the following reagents can not, be used to oxidise primary alcohols to aldehydes?

The reaction between phenol and chloroform in the presence of aqueous NaOH is

Propanone on reaction with alkyl magnesium bromide followed by hydrolysis will produce

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