Which of the following complex is an outer orbital complex ?

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

Which of the following complex is an outer orbital complex ? (1)

[\text{Ni}(\text{NH}_3)_6]^{2+}

(2)

[\text{Mn}(\text{CN})_6]^{4-}

(3)

[\text{Co}(\text{NH}_3)_6]^{3+}

(4)

[\text{Fe}(\text{CN})_6]^{4-}