\(TiCl_4 + (C_2H_5)_3Al\) is Zeigler Natta catalyst.
\((C_2H_5)_4Pb\) is an anti-knocking agent.
cis-platin is used as an anti-cancer agent]
(પરમાણુ ક્રમાંક $Cr = 24, Mn = 25, $$Fe = 26, Ni = 28$)
$(en =$ ઇથેન $-1, 2-$ ડાયએમાઇન$)$
........ રજૂ કરે છે.