List of top Inorganic Chemistry Questions on Organometallic Compounds asked in IIT JAM CY

The number of unpaired electron(s) of chromium in [($\eta^6$-C$_6$H$_6$)Cr(CO)$_3$] is _ _ _. (answer in integer)

The correct order of bond length between carbon and oxygen atoms in the metal carbonyls given in the options is

The metal that is used as a catalyst in the synthesis of (CH$_3$)$_2$SiCl$_2$ in Rochow-M\"uller process is _ _ _.