Question

For which of the following process, $\Delta S$ is negative?
(a) $H_2 (g) \longrightarrow 2H(g)$
(b) $2SO_3 (g) \longrightarrow 2SO_2(g) + O_2 (g)$
(c) $N_2(4l) \xrightarrow[]{compressed} N_2(2l)$
(d) $C_{(diamond)} \longrightarrow C_{(graphite)}$

Answer 1

S  = nRT*ln(v2/v1)

In The Third Case v2/v1 = 0.5

ln0.5 = -ve

So, Option C is Correct

Answer 2

Hey mate....

here's the answer...

For which of the following process, $\Delta S$ is negative?

(a) $H_2 (g) \longrightarrow 2H(g)$

(b) $2SO_3 (g) \longrightarrow 2SO_2(g) + O_2 (g)$

(c) $N_2(4l) \xrightarrow[]{compressed} N_2(2l)$

(d) $C_{(diamond)} \longrightarrow C_{(graphite)}$

Option C...

Hope this helps❤