JEE Main 2018 Chemistry question

The correct order of spin-only magnetic moments among the following is : (Atomic number : Mn = 25, Co = 27, Ni = 28, Zn = 30)

• (A)[ZnCl] > [NiCl] > [CoCl] > [MnCl]
• (B)[CoCl] > [MnCl] > [NiCl] > [ZnCl]
• (C)[NiCl] > [CoCl] > [MnCl] > [ZnCl]
• (D)[MnCl] > [CoCl] > [NiCl] > [ZnCl]Correct