AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

Section: Chemistry

Question : 150 of 160

Marks: +1, -0

A coordination compound is made of Co‌3+ , N‌3 and l ‌− . 0.1 M solution of this complex when treated with excess silver nitrate gave no precipitate. The formula of the complex and secondary valency of metal are respectively.

[Co(NH3)3‌Cl3],6
[Co(NH3)5‌Cl]Cl2,6
[Co(NH3)3‌Cl3],3
[Co(NH3)4‌Cl2]‌Cl,6

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