1.

I. H_(2)S reduces acidified KMnO_(4) to MnSO_(4) II. H_(2)S reduces acidified K_(2)Cr_(2)O_(7) to red colour Cr_(2)(SO_(4))_(3) III. H_(2)S reduces nitric acid to NO_(2) IV. H_(2)S oxidises ferrous sulphate to ferric sulphate Then the correct statement(s) is/are:

Answer»

only I
only I and III
only II and III
I,II,III and IV

Answer :B


Discussion

No Comment Found

Related InterviewSolutions