Question

Give an example for the following bond containing molecules 1) 2c-2e bond 2)3c-2e bond 3) 3c-4e bond

Answer 1

Explanation:

2-centered-2-electron bond(2c-2e) is a chemical bond in which 2 electrons are shared between 2 atoms.This type of bonds are very common.

3-centered-2-electron bond(3c-2e) is a chemical bond in which 2 electrons are shared between 3 atoms.This type of bonds are found in case of electron deficient molecules such as boranes.

There are two (Be-H-B) (blue colored)bonds and two (B-H-B) (yellow colored)bonds hence in total four (3c-2e) bonds.

There are two (Be-H) and two (B-H) bonds hence in total four (2c-2e) (red colored)bonds.Soanswer is C.

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