alleryThe carbonyl carbon and its three attached atoms lie:
AIn one plane
BOn one line
CAt one point
DIn two planes
Answer & Solution
Correct answer: A. In one plane
1. The carbonyl carbon forms three sigma bonds.
2. Those bonds spread out as far from each other as they can.
3. So the carbon and its three neighbours lie in one plane.
_Source: syllabus Chemistry Part II, Chapter 12, Aldehydes, Ketones and Carboxylic Acids._
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