Question: Formaldehyde has the formula H2CO. Describe the bonding between the C and O atoms in VB terms. Formaldehyde absorbs UV light at about 270 nm.

Formaldehyde has the formula H2CO. Describe the bonding between the C and O atoms in VB terms. Formaldehyde absorbs UV light at about 270 nm. The absorption is described as a π to π* transition. Explain in molecular orbital terms what is involved.

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