Name the type of isomerism exhibited and draw isomers:
(I) [Co(NH3)6][Cr(CN)6]
(II) [Co(en)3]3+
(III) [Co(NH3)3(NO2)3]
Out of Ti3+, Cr3+, Fe2+ and Ni2+ ions, the one which is the most stable ion in aqueous solution is:
Match the following: