JEE Main 2020 Chemistry question

Complex X of composition has a spin only magnetic moment of 3.83 BM. It reacts with and shows geometrical isomerism. The IUPAC nomenclature of X is:

• (A)Dichloridotetraaqua chromium (IV) chloride dihydrate
• (B)Tetraaquadichlorido chromium (III) chloride dihydrateCorrect
• (C)Tetraaquadichlorido chromium (IV) chloride dihydrate
• (D)Hexaaqua chromium (III) chloride