NEET Chemistry Ionic Equilibrium Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Water acts as a base | (i) H3O+(aq) + OH–(aq) |
| (b) Common ion effect | (ii) Shift in equilibrium |
| (c) Acetic acid dissociation | (iii) HAc(aq) ⇌ H+(aq) + Ac–(aq) |
| (d) Weak electrolytes | (iv) Equilibrium with unionized molecules |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-ii, d-i
a-iv, b-iii, c-i, d-ii
Correct Answer
Detailed Explanation
Water can accept a proton, acting as a base in the presence of an acid (HA) and contributes to the equilibrium involving H3O+ and OH– ions. The common ion effect describes the shift in equilibrium when a substance providing an already present ion is added. The dissociation of acetic acid is represented by the equilibrium HAc(aq) ⇌ H+(aq) + Ac–(aq), and weak electrolytes establish equilibrium between ions and unionized molecules.
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