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0 votes
1.7k views
in Chemistry by (56.7k points)

A Unknown salt (S) when heated with dil. H2SO4 does not evolve brown vapours but with conc.H2SO4 brown vapours are obtained.The vapours when brought in contact with A gNO3 solution do not give any precipitate. The salt (S) contains.

(A) NO2 

(B) NO3

(C) I 

(D) Br

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1 Answer

+1 vote
by (50.2k points)

Correct Answer is: (B) NO3

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