In Lassaigne sodium fusion test, $\mathrm{N}$ and $\mathrm{S}$ of an organic compounds are converted into
In Lassaigne sodium fusion test, $\mathrm{N}$ and $\mathrm{S}$ of an organic compounds are converted into
$\mathrm{NaCN}$
$\mathrm{Na}_2 \mathrm{~S}$
$\mathrm{NaCNS}$
NaNS
Solution
In Lassaigne sodium fusion test, $\mathrm{N}$ and $\mathrm{S}$ of an organic compounds are converted to $\mathrm{NaCN}$ (for nitrogen), $\mathrm{Na}_2 \mathrm{~S}$ (for sulphur) and sodium thiocyanate (NaCNS) (for sulphur and nitrogen).