1.

A colourless salt gives a white ppt (soluble in ammonium acetate) and a brown coloured pungent gas on reaction with conc. H_(2)SO_4. The salt is

Answer»

`Ba(NO_3)_2`
`PB(NO_3)_2`
`NaNO_3`
`NH_4NO_3`

Solution :Salt soluble in `CH_3COONH_4` is `Pb(NO_3)_(2)`
`Pb(NO_3)_(2)+H_(2)SO_(4)rarr PbSO_(4)+UNDERSET("brown")(2NO_(2))+H_2O`


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