1.

Select reagent (s) which is /are used in laboratory to differentiate 1^(@), 2^(@) and 3^(@) amines from each other:

Answer»

`NaNO_(2), HCl`
`PhSO_(2)Cl`
`CHCl_(3),KOH`
`CS_(2),HgCl_(2)`

Solution :(A) `1^(@)underset(HCl)OVERSET(NaNO_(2))rarrR-Ohoverset(C.A.N.)RARR`(Red colour)
`2^(@)underset(HCl)overset(NaNO_(2))rarrR-N-N=O` (Oily liquid)
`3^(@) underset(HCl)overset(NaNO_(2))rarr`Salt
(B) Hinsberg's test can distinguish `1^(@),2^(@)` and `3^(@)` amines
(C) Carbylamine test is given by only `1^(@)` amines.
(D) Musturd OIL reaction is also given by `1^(@)` ANIMES only.


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