TS EAMCET · Chemistry · Thermodynamics (C)
For the reactions, \(\begin{aligned} & 2 \mathrm{Cl}(\mathrm{g}) \longrightarrow \mathrm{Cl}_2(\mathrm{~g}) \ & \mathrm{CO}_2(\mathrm{~g}) \longrightarrow \mathrm{CO}(\mathrm{g})+\frac{1}{2} \mathrm{O}_2(g) \end{aligned}\) What are the signs of \(\Delta S\), respectively?
- A Positive and positive
- B Positive and negative
- C Negative and positive
- D Negative and negative
Answer & Solution
Correct Answer
(C) Negative and positive
Step-by-step Solution
Detailed explanation
(i) \(\begin{aligned} & 2 \mathrm{Cl}(g) \longrightarrow \mathrm{Cl}_2(g), \Delta n_g=1-2=-1 \\ & \text { So, } \Delta S 0 \end{aligned}\)
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