Chemical Properties of Alcohols

IMPORTANT

Chemical Properties of Alcohols: Overview

This topic covers concepts such as Acidic Character of Alcohols, Chemical Properties of Alcohols, Alcohols as Nucleophiles, Protonated Alcohols as Electrophiles, Reaction of Alcohols with Active Metals, Reaction of Alcohols with NaOH, etc.

Important Questions on Chemical Properties of Alcohols

MEDIUM
IMPORTANT

An organic compound A has the molecular formula C8H16O2. It gets hydrolysed with dilute sulphuric acid and gives a carboxylic acid B and an alcohol C. Oxidation of C with chromic acid also produced B. C on dehydration reaction gives D. Identify A, B, C and D?

HARD
IMPORTANT

Aldol reaction is used as one of the step for which of the following conversions :

(i) Ethanol to 3-hydroxybutanal

(ii) Benzaldehyde to Benzophenone

MEDIUM
IMPORTANT

The following pairs of compounds can be distinguished by which of the following test:

(i) Acetophenone and Benzophenone

(ii) Ethanal and Propanal

MEDIUM
IMPORTANT

Acid catalyzed hydration of alkenes except ethene leads to the formation of

HARD
IMPORTANT

Among the following the one that gives positive iodoform test depend upon reaction with   I 2 and NaOH is –

MEDIUM
IMPORTANT

The main product of the following reactions is

C6H5CH2CHOHCH(CH3)2Conc. H2SO4       ?

MEDIUM
IMPORTANT

During dehydration of alcohols to alkenes by heating with concentrated  H2SO4 the initiation step is –

MEDIUM
IMPORTANT

Give the equation for the formation of Protonated alcohols as electrophiles.

MEDIUM
IMPORTANT

Write the reaction of alcohol with halogen acid or hydrogen halide.

EASY
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How can be alkene is formed by alcohol?

EASY
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Describe the formation of protonated alocohol.

EASY
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Ethoxide ion is a stronger base than hydroxide ion.

EASY
IMPORTANT

Why does alcohol not react with sodium hydroxide?

HARD
IMPORTANT

Which of the following conversion explains the acidic nature of alcohols?

HARD
IMPORTANT

The final product obtained by the reaction between alcohol and phosphorus pentachloride is:

HARD
IMPORTANT

The correct order of acidity of the alcohols is?

EASY
IMPORTANT

Oxidation of 1o alcohols to aldehydes is very successful for the alcohols like

EASY
IMPORTANT

Oxidation of 1o alcohols to aldehydes is very successful for the alcohols like

MEDIUM
IMPORTANT

In the reaction, A and B, respectively are

CH3OHStrong oxidation    ANH3    B

HARD
IMPORTANT

CH3CH2OH can be converted into CH3CHO by _____.