The most electronegative carbon atom is found in which type of hybridization?
Electronegativity increases with s-character: sp (50%) > sp² (33%) > sp³ (25%). Thus, sp hybridized carbon is the most electronegative.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Stereoisomerism - Geometrical and Optical Isomerism