The reaction:

is classified as :

(a) electrophilic substitution (b) nucleophilic substitution

(c) elimination (d) addition

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Solution

It is an example of nucleophilic substitution reaction. The hydroxyl group of KOH (OH^–) with a lone pair of itself acts as a nucleophile and substitutes iodide ion in CH₃CH₂I to form ethanol.

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The reaction:
$C H_{3} C H_{2} I + K O H_{a q} \to C H_{3} C H_{2} O H + K I$ is classified as :
(a) electrophilic substitution (b) nucleophilic substitution (c) elimination (d) addition

Following reaction, $(C H_{3})_{3} C B r + H_{2} O \to (C H_{3})_{3} C O H + H B r$ is an example of

The reaction:

C H_{3} C H_{2} I + K O H (a q) \to C H_{3} C H_{2} O H + K I

is a nucleophilic substitution. Explain.

The reaction R-Br + NaCN R-CN + NaBr is an example of:

Toluene reacts with a halogen in the presence of iron (III) chloride giving ortho and para halo compounds. The reaction is

(a) electrophilic elimination reaction

(b) electrophilic substitution reaction

(d) nucleophilic substitution reaction

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The reaction: is classified as : (a) electrophilic substitution (b) nucleophilic substitution (c) elimination (d) addition

It is an example of nucleophilic substitution reaction. The hydroxyl group of KOH (OH–) with a lone pair of itself acts as a nucleophile and substitutes iodide ion in CH3CH2I to form ethanol.

The reaction:

is classified as :

(a) electrophilic substitution (b) nucleophilic substitution

(c) elimination (d) addition

It is an example of nucleophilic substitution reaction. The hydroxyl group of KOH (OH^–) with a lone pair of itself acts as a nucleophile and substitutes iodide ion in CH₃CH₂I to form ethanol.