The planar trigonal geometry is associated with:
Correct answer: A. Formaldehyde
- A. Formaldehyde
- B. Crotanaldehyde
- C. Acetaldehyde
- D. Butyraldehyde
Explanation
Mostly in saturated and aliphatic carbonyl compounds the carbonyl carbon is bonded to one or two sp3 hybridized carbon atoms but formaldehyde is bonded with 2 hydrogen atoms making trigonal planer structure (purely planer).
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About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
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