Match the transformations in List-I with appropriate options in List-II.

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Solution

(A) $C O_{2} (s) \to C O_{2} (g)$
It is phase transition. The process is endothermic (Sublime)
Gas is produced, so entropy increases.
(B) On heating $C a C O_{3}$ decomposes. So, process is endothermic.
The entropy increases as gaseous product is formed.
(C) $2 H^{∙} \to H_{2} (g)$ .
Entrophy decreases as number of gaseous particles decrease.
(D) It is phase transition
White and red P are allotropes
Since, red phosphorous is polymeric form so $Δ S$ is -ve.

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Similar questions

	List-I		List-II
	Electonic configuration of elements		$Δ_{1} H (i n k J m o l^{- 1})$
(a)	$1 s^{2} 2 s^{2}$	(i)	$801$
(b)	$1 s^{2} 2 s^{2} 2 p^{4}$	(ii)	$899$
(c)	$1 s^{2} 2 s^{2} 2 p^{3}$	(iii)	$1314$
(d)	$1 s^{2} 2 s^{2} 2 p^{1}$	(iv)	$1402$

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