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JEE Main 202117 MarchEvening Shift

Exam: JEE Main
Year: 2021
Date: 17 March
Shift: Evening Shift
Subject: Chemistry
Chapter: Hydrogen

JEE Main 2021 · 17 March · Evening Shift · Chemistry · Hydrogen

The functional groups that are responsible for the ion-exchange...

The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are :

Options

A $- {SO}_{3}H\text{and} - {NH}_{2}$
B $- {SO}_{3}H\text{and} - COOH$
C $- {NH}_{2}\text{and} - COOH$
D $- {NH}_{2}\text{and} - {SO}_{3}H$

Correct answer

A. $- {SO}_{3}H\text{and} - {NH}_{2}$

Step-by-step solution

Cation exchanger contains

- {SO}_{3}H

or

- COOH

groups while anion exchanger contains basic groups like

- {NH}_{2}

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