The complex ion which has no d electrons in the central metal atom is (At No. Cr = 24, Mn = 25, Fe = 26 , Co = 27) :(1)[MnO4]– (2)[Co(NH3)6]3+ (3)[Fe(CN)6]3– (4)[Cr(H2O)6]3+

The complex ion which has no d electrons in the central metal atom is

1.	The complex ion which has no d electrons in the central metal atom is (At No. Cr = 24, Mn = 25, Fe = 26 , Co = 27) :(1)[MnO4]– (2)[Co(NH3)6]3+ (3)[Fe(CN)6]3– (4)[Cr(H2O)6]3+
Answer» (MNO4)- is the COMPLEXION