Question

The reaction, $S{O}_2\left(g\right)+C{l}_2\left(g\right)\leftrightharpoons S{O}_{2}C{l}_2\left(l\right)$ is exothermic. A mixture of $S{O}_2,C{l}_2$ and $S{O}_{2}C{l}_2$ is at equilibrium in a closed container. Now, a certain amount of $S{O}_2$is added to the mixture, the volume remaining the same. Which of the following statement is true?

• A. The pressure inside the container will not change
• B. The temperature will not change
• C. The temperature will increase
• D. the temperature will decrease

Answer 1

The correct option is C The temperature will increase

On addition of $S{O}_2,$ equilibrium shifts forward. As it is exothermic, temperature will increase.