What is the shape of the carbon atom in CH₃CH₂CH₂CHO attached to the carbonyl group?
In CH₃CH₂CH₂CHO, the carbonyl carbon (C=O) has three sigma bonds and one pi bond, indicating sp² hybridization and a trigonal planar shape.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Qualitative and Quantitative Analysis - Lassaigne Test and Estimation