Match the following columns:

Column-$I$	Column-$II$
$(P)$ $\underline PCl_5 \to PCl_3 + Cl_2$	$(i)$ Change in hybridisation
$(Q)$ $\underline SO_3 \to \underline SO_2 + \frac{1}{2}O_2$	$(ii)$ Change in bond angle
$(R)$ $\underline NH_3 + H^{+} \to \underline NH_4^+$	$(iii)$ Change in shape
$(S)$ $H_2\underline O + H^{+} \to H_3\underline O^{+}$	$(iv)$ Change in oxidation state

• A
  $(P) \to i, ii, iii, iv; (Q) \to ii, iii, iv; (R) \to ii, iii; (S) \to ii, iii$
• B
  $(P) \to i, iv; (Q) \to ii, iv; (R) \to i, iv; (S) \to ii, iii, iv$
• C
  $(P) \to i, ii, iii, iv; (Q) \to ii, iii, iv; (R) \to ii, iii, iv; (S) \to ii, iii, iv$
• D
  $(P) \to i, iii; (Q) \to ii, iv; (R) \to ii, iii; (S) \to ii, iii$