JEE PYQ: S Block Elements Question 4
Question 4 - 2021 (17 Mar Shift 2)
The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are:
(a) $-\text{SO}_3\text{H}$ and $-\text{NH}_2$ (b) $-\text{SO}_3\text{H}$ and $-\text{COOH}$ (c) $-\text{NH}_2$ and $-\text{COOH}$ (d) $-\text{NH}_2$ and $-\text{SO}_3\text{H}$
Show Answer
Answer: (a)
Solution
Cation exchanger contains $-\text{SO}_3\text{H}$ or $-\text{COOH}$ groups while anion exchanger contains basic groups like $-\text{NH}_2$.
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