1.Sulphide ion reacts with Na2[Fe(CN)5NO]\mathrm{Na_2[Fe(CN)_5NO]}Na2[Fe(CN)5NO] to form a purple coloured compound (X). In this reaction the oxidation state of iron:a.changes from +2 to +3b.changes from +3 to +2c.changes from +2 to +4d.does not changeLogin to continueOnly logged in users canattempt or see the solution.