Question:
The type of functional group associated with cation exchange resin is
The type of functional group associated with cation exchange resin is
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Cation exchange resins generally contain acidic groups like \(-SO_3H\), while anion exchange resins contain basic groups.
Updated On: May 7, 2026
- \(-OH\)
- \(-SO_3H\)
- \(-NH_2\)
- \(-CHO\)
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The Correct Option is B
Solution and Explanation
Concept:
Cation exchange resins exchange their \(H^+\) ions with cations present in water.
Step 1: Cation exchange resin must contain acidic functional groups.
Step 2: The common functional group in a strong acid cation exchange resin is: \[ -SO_3H \]
Step 3: This group releases \(H^+\) ions and exchanges them with cations like: \[ Ca^{2+},\ Mg^{2+},\ Na^+ \]
Step 4: Therefore, the functional group associated with cation exchange resin is: \[ \boxed{-SO_3H} \]
Step 1: Cation exchange resin must contain acidic functional groups.
Step 2: The common functional group in a strong acid cation exchange resin is: \[ -SO_3H \]
Step 3: This group releases \(H^+\) ions and exchanges them with cations like: \[ Ca^{2+},\ Mg^{2+},\ Na^+ \]
Step 4: Therefore, the functional group associated with cation exchange resin is: \[ \boxed{-SO_3H} \]
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