MCQ
In the following reaction sequence, $[ C ]$ is :


- A

- B

- ✓

- D








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$(C= 3 \times 10^8 \,ms^{-1}$ and $N_A =6.02 \times mol^{-1}).$
$\frac{1}{2}{X_2} + \frac{3}{2}{Y_2} \to X{Y_3},\,\Delta H = - 30\,kJ$ , to be at equilibrium, the temperature will be ............... $\mathrm{K}$