問(wèn)答題

回答下列問(wèn)題: 
(1)300℃時(shí)Si(CH34和Pb(CH34發(fā)生熱解的相對(duì)難易; 
(2)Li4(CH34、B(CH33、Si(CH34和Si(CH3)Cl3的相對(duì)Lewis酸性;
(3)Si(CH34和As(CH33的相對(duì)Lewis堿性; 
(4)Li4(CH34和Hg(CH32從GeCl4中取代Cl-的趨勢(shì)。


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