Indigo is the dye used in coloring blue jeans. The structure of indigo is:

Question

Indicate the hybrid orbitals used by the atoms listed below:

Atom Number Hybrid Orbital
C-1	_______spsp2sp3dsp3d2sp3
N-2	_______spsp2sp3dsp3d2sp3
N-3	_______spsp2sp3dsp3d2sp3
C-4	_______spsp2sp3dsp3d2sp3

Answer 1

at C-1 sp²

at N-2 sp³

at N-3 sp³

at C-4 sp²