In the photosynthesis reaction: 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂,carbon dioxide is
A)oxidized.
B)reduced.
C)oxidized and reduced.
D)neither oxidized nor reduced.

Question

Quizplus · Accepted Answer

In the photosynthesis reaction, carbon dioxide undergoes a gain of electrons (or is reduced) to form glucose, which is a form of stored energy. Therefore, carbon dioxide is the substance that is reduced, making choice B the correct answer.

In the Photosynthesis Reaction: 6 CO₂ + 6 H₂O →