1.Which of the following is a diamagnetic complex?a.[Co(NH3_33)6_66]3+^{3+}3+b.[NiCl4_44]2−^{2-}2−c.[CuCl4_44]2−^{2-}2−d.[Fe(H2_22O)6_66]3+^{3+}3+Login to continueOnly logged in users canattempt or see the solution.