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).
Last updated
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.
Practise Aldehydes and Ketones
679 free Aldehydes and Ketones MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.