Why can the Co2 concentration more than 0.05 percent become damaging for plant photosynthesis?

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Why can the Co2 concentration more than 0.05 percent become damaging for plant photosynthesis?

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Answer 1 · 2018-02-20T22:58:40

The formation of $H_{2} C O_{3}$ $H_2CO_3$

Explanation:

$C O_{2}$ $CO_2$ exists in water in an equilibrium with the equation:

$H_{2} O + C O_{2} ⇌ H_{2} C O_{3}$ $H_2O + CO_2 rightleftharpoons H_2CO_3$

The equilibrium for this equation is far to the left side (with water and carbon dioxide). When a lot of $C O_{2}$ $CO_2$ is present the equilibrium point moves to the right, causing more $H_{2} C O_{3}$ $H_2CO_3$ form than usually. As $H_{2} C O_{3}$ $H_2CO_3$ is an acid, damage to the proteins from the photosystems may occur.

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Why can the Co2 concentration more than 0.05 percent become damaging for plant photosynthesis?

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