Question

Complete the equation :
`[Fe(H_(2)O)_(6)]^(2+)+NOto`

Answer 1

NO reduces `Fe^(2+)" to "Fe^(+)` and itself gets oxidised to nitrosonium ion `(NO^(+))`. The two species then combine to form a brown complex.
`[Fe(H_(2)O)_(6)]^(2+)(aq)+NO(g)tounderset(("Brown complex"))underset("Pentaaquanitrosonium iron (I)")([Fe^(+)(H_(2)O)_(5)NO^(+)](aq)+H_(2)O(I))`