Question

Write the formula for coordination compound named as tris (ethane-$1,2$-diammine) cobalt $(III)$ sulphate.

• A. $\left[ Co \left( H _{2} N CH _{2} CH _{2} NH _{2}\right)_{3}\right]_{2}\left( SO _{4}\right)_{3}$
• B. $\left[ Co \left( H _{2} NCH _{2} CH _{2} NH _{2}\right)_{3}\right] SO _{4}$
• C. $\left[ Co \left( H _{2} NCH _{2} CH _{2} NH _{3}\right)_{2}\right]\left( SO _{4}\right)_{3}$
• D. $\left[ Co \left( H _{2} NCH _{2} CH _{2} NH _{2}\right)_{3}\right]\left( SO _{4}\right)_{3}$

Answer 1

Answer: (A)

Correct answer is (a) $\left[ Co \left( H _{2} N CH _{2} CH _{2} NH _{2}\right)_{3}\right]_{2}\left( SO _{4}\right)_{3}$