Chemical which absorbs light energy and changes it to chemical energy is

Solution (By Examveda Team)

A chemical which absorbs light energy and changes it to chemical energy is Chlorophyll a.
Chlorophyll a is a specific form of chlorophyll used in oxygenic photosynthesis. It absorbs most energy from wavelengths of violet-blue and orange-red light, and it is a poor absorber of green and near-green portions of the spectrum.
Chlorophyll a also transfers resonance energy in the antenna complex, ending in the reaction center where specific chlorophylls P680 and P700 are located.