Assume

i)  ${\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_5\mathrm{NO}\right]}^{+2}$  obeys EAN  rule,

ii)  the oxidation state of central metal 'Fe' is +2,

 Find out  the oxidation state of NO in the given complex  ?

• A

  Zero

• B

  1

• C

  2

• D

  -1