The general chemical equation for photosynthesis is shown below. Through this re

Question

The general chemical equation for photosynthesis is shown below. Through this reaction, are the oxygens in the water molecules, H2O, oxidized or reduced? The oxygens of the water molecules are oxidized. The oxygens of the water molecules are reduced. The oxy gens of some of these water molecules are oxidized while others are reduced. The oxygens of the water molecules are neither oxidized nor reduced. Chemical equations need to be balanced not only in terms of the number of atoms, but also by the charge. In other words, just as there should be the same number of atoms before and after the arrow of an equation, there should be the same charge. What set of coefficients is necessary to balance the following chemical equation? 1, 2, 1, 2 1, 1, 1, 2 1, 2, 2, 2 1, 1, 2, 1

Explanation / Answer

(51) (A) In photosynthesis Oxygens of water molecule are oxidised from -2 to zero oxidation state.

(52) (A)

Sn2+ (aq.) + 2 Ag (s) ------------> Sn (s) + 2 Ag+ (aq.)

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