1.

X' is a colourless salt giving following reactions : 'X' can be

Answer»

`AlCl_(3)`
`ZnCl_(2)`
`ZN (CH_(3)COO)_(2)`
`Zn Br_(2)`

Solution :`3H_(2)S + underset((dil))(2HNO_(3)) rarr 2NO + 4H_(2)O + underset(("YELLOW turbidity"))(3S)`


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