Question

Which of the following reactions is associated with the most negative change in entropy ?

• A. 2SO2 (g) + O2 (g) $\longrightarrow$2SO3 (g)
• B. C2H4 (g) + H2 (g) $\longrightarrow$C2H6 (g)
• C. C (s, graphite) + O2$\longrightarrow$CO2(g)
• D. 3C2H2 (g) $\longrightarrow$ C6H6 ($\mathcal{l}$)

Answer 1

Answer: (D)

3C2H2 (g) $\longrightarrow$ C6H6 ($\mathcal{l}$)

Answer 2

$\Delta$ng is most – ve