MCQ
Match the transformations in column $I$ with appropriate options in column $II$
| column $I$ | column $II$ |
| $(A)$ $CO _2( s ) \rightarrow CO _2( g )$ | $(p)$ phase transition |
| $(B)$ $CaCO _3( s ) \rightarrow CaO$ (s) $+ CO _2( g )$ | $(q)$ allotropic change |
| $(C)$ $2 H \bullet \rightarrow H _2( g )$ | $(r)$ $\Delta H$ is positive |
| $(D)$ $P_{\text {(white, solid) }} \rightarrow P_{\text {(red, solid) }}$ | $(s)$ $\Delta S$ is positive |
| $(t)$ $\Delta S$ is negative |
- A$(A) \rightarrow p, r \ and\ s,(B) \rightarrow r \ and \ s (C) \rightarrow t (D) \rightarrow p, q \ and \ t $
- B$(A) \rightarrow p, r \ and\ t,(B) \rightarrow p \ and \ q (C) \rightarrow s (D) \rightarrow p, r \ and \ s $
- C$(A) \rightarrow p, q \ and\ r,(B) \rightarrow p \ and \ s (C) \rightarrow p (D) \rightarrow p, q \ and \ r $
- D$(A) \rightarrow r, s \ and\ t,(B) \rightarrow r \ and \ t (C) \rightarrow r (D) \rightarrow p, s \ and \ t $