Answer:
a. eletrophile
b. able to impose regioselectivity and stereo selectivity.
c. faster
Explanation:
Necleophile reaction is chemical reaction in which electron rich chemical specie replaces functional group with another electron deficient molecule. Lewis acid catalyst is organic chemical reaction which lewis acid act as electron pair acceptor. Nucleophile reaction proceeds about 25 times more faster than benzene.
3 NaOH + FeBr3 = 3 NaBr + Fe(OH)3
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Inter-molecular forces. The greater the attraction between particles the more energy required to break the forces or "melt" them.
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