Which of the following compounds may giv...

Which of the following compounds may give blood red colouration while performing Lassaigne.s lest for nitrogen

`(NH_2)_2C = S`

`p - CH_2 - C_6H_4 - SO_3`

`C_6M_3SO_2H`

`(NH_2)_2C = O`

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The correct Answer is:

A, B

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Which of the following compounds may give blood red colouration while performing Lassaigne's test for nitrogen

`(NH_(2))_(2)C=S`

`p-NH_(2)-C_(6)H_(4)-SO_(3)`

`C_(6)M_(3)SO_(2)H`

`(NH_(2))_(2)C=O`

`(NH_(2))_(2) C = O`

`C_(6)H_(5)SO_(3)H`

`H_(2)N (C_(6)H_(4))SO_(3)H`

`CHCl_(3)`

`Na_(2)CuCl_(4)`

`Na_(2)CoCl_(4)`

`K_(4)[Fe(CN)_6]`

All the above