Question

the correct option is C....pls give the correct explanation and solution...it will be marked the brainliest ​

Answer 1

Explanation:

A solution of Hg

2+

ion on treatment with a solution of cobalt(II) thiocyanate gives rise to a deep blue crystalline precipitate. Then the coordination number of mercury in the deep blue colored compound is 4.

Hg

2+

+2Co(SCN)

2

→

deep blue crystalline precipitate

Co[Hg(SCN)

4

]↓

+Co

2+