Question

Main difference between chlorophyll $a$ and chlorophyll $b$ is

Answer 1

Chlorophyll $a$ vs Chlorophyll $b$

Chlorophyll is a pigment involved in photosynthesis. Chlorophyll $a$ and Chlorophyll $b$ absorb light at different wavelength.

Chlorophyll $a$ is the chief pigment, whereas Chlorophyll $b$ is an accessory pigment.

At the molecular level, the main difference between chlorophyll $a$ and $b$ is the presence of methyl or aldehyde in the third carbon atom.

Chlorophyll $a$ has methyl group, whereas chlorophyll $b$ has aldehyde group, in the third carbon atom.