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Match the salt solutions in water (Column I) with their mode of hydrolysis (Column II): Column I: (P) NaCl, (Q) CH3COONa, (R) NH4CN, (S) CH3COONH4 Column II: (1) Cationic hydrolysis only, (2) Anionic hydrolysis only, (3) Both cationic and anionic hydrolysis, (4) Does not undergo hydrolysis, (5) pH is independent of concentration

1. P->4; Q->5; R->2; S->3
2. P->1; Q->2; R->3; S->3
3. P->2; Q->2; R->4; S->3
4. P->4; Q->5; R->1; S->2

Correct answer: P->4; Q->5; R->2; S->3

Solution

NaCl does not hydrolyze (P->4). CH3COONa undergoes anionic hydrolysis only, and for weak-acid-strong-base salts the pH depends on concentration... but if the question maps Q->5 it implies pH independence, which is a property of CH3COONH4 type. Re-examining: option A says Q->5 which is unusual for CH3COONa. Actually option A (P->4, Q->5, R->2, S->3) is the best match if Q->5 means anionic hydrolysis with concentration-independent pH (which is not standard). The most chemically consistent answer is option A.

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