The primary valency and secondary valency of central metal ion and the no. of total ions produced in aqueous solution for `K[Co(OX)_2(NH_3)_2]` complex respectively is _________ .

Options

A. 3, 4, 2
B. 4, 4, 2
C. 3, 6, 2
D. 3, 6, 1

Answer

C

Explanation

`(1) + (x) + 2(-2) + 2(0) = 0 `
Or
x= 3