Which one chemical reaction occurs during photosynthesis ?

1)CO2 is reduced and H2O is oxidized

2) CO2 is oxidised and H2O is reduced

3)both are oxidized

4) both are reduced

Please include the reason also

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Solution

1 is correct co2 reduced and water oxidized to 02.

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Similar questions

Which one chemical reaction occurs during photosynthesis ?

(a) Carbon dioxide is reduced and water is oxidised.

(b) Water is reduced and carbon dioxide is oxidised.

(d) Both carbon dioxide and water are reduced.

C O_{2}

H_{2} O

C O_{2}

H_{2} O

C O_{2}

H_{2} O

O_{2}

H_{2} O + B r_{2} \to H O B r + H B r

3 B r_{2} + 6 C O_{3}^{2 -} + 3 H_{2} O \to 5 B r^{⊖} + B r O_{3}^{⊖} + 6 H C O_{3}^{⊖}

For the chemical reaction, $N a O H$ + $K$ $\Rightarrow$ $K O H$ + Na Choose the right option.

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