MCQ
Which ($\pi$ -bond) will reduce first, when above compound undergoes catalytic hydrogenation ?


- A$a$
- B$b$
- C$c$
- ✓$d$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$CO + \frac{1}{2}{O_2} \to C{O_2};\,\Delta H = - 24\,kJ$ The heat of formation of $C{O_2}$ is .....$kJ$
