INTEGER ANSWER TYPE 2

coordination of Cr here is 12

the structure is similar to that of ferrocene

so 12/2 = 6

whats meaning of Ï€⁶ ??

Reading for first time ...[2]

I meant eta

But there was no such symbol here :(

http://en.wikipedia.org/wiki/File:Bis%28benzene%29chromium-2D-skeletal.png

look at structure... coordination no 12

@avik.. then how can u say that coord no. of Fe in ferrocene is 10 (although ive not seen u say taht [3])