TS EAMCET 5 May 2018 Shift 2 Solved Paper

The electron arrangement in shells of Co2+ is,The magnetic moment for Co2+ is,
µ=√n(n+2)
=√3(5)
=√15
=3.87B.M
The electron arrangement in shells of Cr3+ is,The magnetic moment for Cr3+ is,
µ=√n(n+2)
=√4(6)
=√24
=4.89B.M
So, the statement (II) is correct.