Match the transformations in Column-$I$ with the appropriate options in Column-$II$.
Column-$I$ Column-$II$
$(A) \; CO_{2(s)} \to CO_{2(g)}$ $(p) \; \text{Transition state}$
$(B) \; CaCO_{3(s)} \to CaO_{(s)} + CO_{2(g)}$ $(q) \; \text{Allotropic change}$
$(C) \; 2H^{\cdot} \to H_{2(g)}$ $(r) \; \Delta H > 0$
$(D) \; P_{\text{(white solid)}} \to P_{\text{(red solid)}}$ $(s) \; \Delta S > 0$
$(t) \; \Delta S < 0$

  • A
    $(A) \to (r, s); (B) \to (r, s); (C) \to (t); (D) \to (q, t)$
  • B
    $(A) \to (q, t); (B) \to (t); (C) \to (p, r, s); (D) \to (r, s)$
  • C
    $(A) \to (q, t); (B) \to (p, r, s); (C) \to (r, s); (D) \to (t)$
  • D
    $(A) \to (r, s); (B) \to (r, s); (C) \to (t); (D) \to (q, t)$

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