MCQ
Main constituent of marsh gas is
- A${C_2}{H_2}$
- ✓$C{H_4}$
- C${H_2}S$
- D$CO$
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$4M + 8CN^-+ 2H_2O + O_2 \rightarrow 4[M(CN)_2]^-+ 4OH^-$
$2[M(CN)_2]^-+ Zn \rightarrow [Zn(CN)_4]^{2-} + 2M$
Match $List-I:in\, Figure$
Lits$-II$
$(I)$ Gatterman Koch reaction
$(II)$ Etard reaction
$(III)$ Stephen reaction
$(IV)$ Rosenmund reaction
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