Which of the following is/are correct?

Options

A. Bleaching powder is a double salt
B. Dimethylglyyoximate is a chelating ligand
C. sulphate is a flexidentate ligand
D. sulphate can as mono or bidentate ligand

Answer

B, C, D

Explanation

(A). `CaOCl_(2)=` mixed salt
(B). `K_(2)SO_(4).Al_(2)(SO_(4))_(3).2H_(2)O`
(C). Fact
(D). Sulphate can as mono or bidentate ligand.