1. (a) Photosynthesis describes the process used by plants to synthesise energy-rich molecules such as carbohydrates from carbon dioxide and water using visible light.(i) State the summary equation for the formation of a carbohydrate with the formula C6H12O6 from carbon dioxide and water.(ii) Determine the change in the oxidation number of carbon during photosynthesis.(iii) Outline the role of chlorophyll in photosynthesis