In the Ca$^{2+}$-EDTA complex, EDTA acts as a hexadentate ligand, coordinating through six donor atoms. This creates an octahedral geometry around Ca$^{2+}$.
Match the following:
Ions | Properties |
I. Zn2+ | i. d8 configuration |
II. Cu2+ | ii. Colourless |
III. Ni2+ | iii. µ = 1.73 BM |
Codes:
All the letters of the word "GTWENTY" are written in all possible ways with or without meaning, and these words are arranged as in a dictionary. The serial number of the word "GTWENTY" is: