Question

The Prussian blue colour obtained during the
detection of nitrogen using the Lassaigne's
extract is due to the formation of:-
(1) Fe [Fe(Cn)];
(2) Na,[Fe(Cn).]
(3) K[Fe(Cn).]
(4) Na,[Fe(Cn)sNOS]​

Answer 1

Answer:

I think (1)..............

Answer 2

Answer:

I think it's 4 option or 2 option