1.

Freshly prepared solution of sodium nitroprusside is added to the sodium extract. Appearance of a deep violet colour indicates the presence ofA. nitrogenB. sulphurC. both nitrogenn and sulphurD. halogen

Answer» Correct Answer - B
`Na_(2)S+ underset("Sod nitroprusside")(Na_(2)[Fe(CN)_(5)(NO)])to underset("Sod. Thionitroprusside (Violet)")(Na_(4)[Fe(CN)_(5)(NOS)])`


Discussion

No Comment Found

Related InterviewSolutions