1)Complete the following reactions:CpFe(CO)2Me + SO2(l) ?CpMn(CO)3 + PhCCPh ?Mn2(CO)10 + Na/Hg followed by C2H5I ?W(CO)5(CPh2) + PH3=CH2 ?2)Briefly give the mechanism for the decomposition of Rh(C2H5)(PR3)2(CO).3)Which compound would you expect to be more stable, [Rh(?5-C5H5)2] or [Ru(?5-C5H5)2]? Give a plausible explanation in terms of simple bonding concepts.4)Predict reaction products for the reaction below. Show all intermediate productformation, and illustrate reasoning.[Cp2W(?3-C3H5)](2BF4) + 2 MeLi ?5)Predict the products of the following reaction:Et-Re(CO)5 + CH3CN ?