Question

What is the difference between chlorophyll a and chlorophyll b?

Answer 1

Difference between chlorophyll a and chrophyll b

Chlorophyll a	Chlorophyll b
Its formula is $C_{55}{H}_{72}{O}_5{N}_{4}Mg$.	Its formula is $C_{55}{H}_{70}{O}_6{N}_{4}Mg$.
Chlorophyll a is blue-green in its pure state.	Chlorophyll b is olive-green in its pure state.
It is primary photosynthetic pigment.	It is accessory photosynthetic pigment.
The methyl group ($-C{H}_3$) is present at carbon-3.	Formyl group ($-CHO$) is present at carbon-3.
It absorbs more red wavelength than the violet-blue wavelength of light.	It absorbs more violet-blue wavelength than the red wavelength of light.