Verified Solution • 2025–26 Session
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QJEEM21Chab61: JEE Main 2021 Chemistry - Class 11 JEEM21Chab61 Solution: 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 :
Multiple Choice Options
- A −SO3H and −NH2
- B −NH2 and COOH
- C −NH2 and −SO3H
- D −SO3H and −COOH
Step-by-Step Verified Solution
Cation exchange resins contain large organic a molecule with –SO3H group.
In the cation exchange process H+ exchanges for Na+, Ca2+, Mg2+ and other cations present in water.
While anion exchange resins contain –NH2 in form of –NH3+ OH– where OH– exchanges for anions like Cl–, HCO3–, SO4 2–, etc.
In the cation exchange process H+ exchanges for Na+, Ca2+, Mg2+ and other cations present in water.
While anion exchange resins contain –NH2 in form of –NH3+ OH– where OH– exchanges for anions like Cl–, HCO3–, SO4 2–, etc.