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Prezentacija predavanja [31,35 MiB]

Prezentacija predavanja [31,35 MiB]

Prezentacija predavanja [31,35 MiB]

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Hf (kJ mol 1 )<br />

105 0 58 409<br />

EtCl(g) + 2Li(s) EtLi(s) + LiCl(s) Hr = 362<br />

-mehanizam napada metil-halogenida na metalni<br />

centar je vezi s aktivacijskom energijom cijepanja<br />

CX veza (energije veza: CF, ca. 440; CCl, ca.<br />

330; CBr, ca. 276; CI, ca. 238 kJ mol 1 )<br />

relativna reaktivnost organskih halogenida prema<br />

metalima raste u nizu: RF RCl RBr RI.

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