MCQ
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- A

- ✓

- C

- D







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$CO + \frac{1}{2}{O_2} \to C{O_2};\,\Delta H = Y$
Then the heat of formation of $CO$ is
(Excess)
$N H_{3}+3 C l_{2} \rightarrow Y$
(Excess)
What is $X$ and $Y$ in the above reaction?
