In reference to this question - \"When diborane (B2H6) dissociates in either sol

Question

In reference to this question -

"When diborane (B2H6) dissociates in either solvents, such as tetrahydrofuran (THF), a complex between borane (BH3) and the ether is formed.
(a) In the Lewis sense, what is the function of BH3 as it forms the complex? Explain.
(b) Write the Lewis structure for BH3. Diagram its expected structure indicating the bond angles in the molecule."

Answer the following questions:

(a) Explain why borane (BH3) reacts readily with the pi-electron system of an alkene.

(b) Explaine why diborane (B2H6) reacts only very slowly with C-double-bond groups.

Explanation / Answer

a)It's a nucleophilic attack. The alkene is electron rich, the borane is electron poor... reaction.

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