1.

A salt on reaction with dil. H_2 SO_4 gives a reddish brown gas. The salt is

Answer»

`KNO_(2)`
`ZnBr_(2)`
`NaNO_(3)`
`ZnCO_(3)`

Solution :`2KNO_(2)+H_(2)SO_(4)to K_(2)SO_(4)+HNO_(2)`
`3HNO_(2) to HNO_(3) +H_(2)O +2NO`
`underset("From air ")(2NO +O_(2))tounderset(("REDDISH BROWN"))(2NO_(2) UARR)`


Discussion

No Comment Found

Related InterviewSolutions