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Give one chemical test to distinguish be...

Give one chemical test to distinguish between the following pairs of compounds
Aniline and benzylamine

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Nitrous acid test Aniline with `HNO_(2)` (from `NaNO_(2)+HCl`) gives benzene diazonium chloride which is stable at 273-278K and hence does not decompose to give `N_(2)` gas.

While benzylamine reacts with `HNO_(2)` to give diazonium salt which being unstable at low temperature decomposes and give `N_(2)` gas.
`C_(6)H_(5)CH_(2)NH_(2) overset(NaNO_(2)//HCl)rarr underset("Unstable")([C_(6)H_(5)CH_(2)- overset(+)(N) -= NCl^(-)]) overset(H_(2)O)rarr underset("Benzyl alcohol")(C_(6)H_(5)CH_(2)OH) + N_(2) uarr + HCl`
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