1.

Connect pair of compounds which give blue colouration/precipitate and white precipitate respectively, when their Lassaigne's test is separately done.

Answer»

`NH_(2)NH_(2)HCl` and `ClCH_(2)-CHO`
`NH_(2)CS NH_(2)` and `CH_(3)-CH_(2)Cl`
`NH_(2)CH_(2) COOH` and `NH_(2) CONH_(2)`
`C_(6)H_(5)NH_(2)` and `ClCH_(2)-CHO`

Answer :D


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