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For which of the following processes , $Δ S$ is negative ?

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$C (d i a m o n d) \to C (g r a p h i t e)$

$N_{2} (g, 1 a t m) \to N_{2} (g, 5 a t m)$

$N_{2} (g, 273 K) \to N_{2} (g, 300 K)$

$H_{2} (g) \to 2 H (g)$

answer is B.

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Detailed Solution

When pressure increases then molecules of gas will come closer and inter molecular distance decreases so entropy will also decreases.
$Δ S > 0$

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