Which of the following catalysts is used to convert $-\mathrm{C} \equiv \mathrm{C}-\mathrm{to}$ to form…

Which of the following catalysts is used to convert $-\mathrm{C} \equiv \mathrm{C}-\mathrm{to}$
to form cis-alkene?

1. $\quad \mathrm{ZnCl}_2 / \mathrm{HCl}$
2. $\quad \mathrm{Pd}-\mathrm{C}$ quinoline
3. Na / liquid $\mathrm{NH}_3$
4. $\mathrm{Na} / \mathrm{Hg}$ in $\mathrm{H}_2 \mathrm{O}$

Asked in: MHT CET 2024 (03 May Shift 1)

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