Where does the reaction 2 H 2 O - 4 H - O 2-4 e -take place in the chloroplast of plants-A- Intermembrane spaceB- In the stromaC- Outer surface of thylakoid membraneD- Inner surface of thylakoid membrane

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Light Reactions

Where does th...

Question

Where does the reaction $2 H_{2} O \to 4 H^{+} + O_{2} + 4 e^{-}$ take place in the chloroplast of plants?

Outer surface of thylakoid membrane

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Inner surface of thylakoid membrane

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In the stroma

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Intermembrane space

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Solution

The correct option is B
Inner surface of thylakoid membrane

The reaction takes place in the outer surface of the thylakoid membrane. The absorbed energy is used in the splitting the water molecule $(H_{2} O)$ into two components (hydrogen and oxygen) and releasing electrons. This reaction is known as photolysis.

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Similar questions

Q. Refer to the given reaction.

2 H_{2} O \to 4 H^{+} + O_{2} + 4 e^{-}

Where does this reaction take place in the chloroplasts of plants?

Q. Assertion :Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids. Reason: Photolysis of water takes place in inner membrane of thylakoid.

Assertion: Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids.
Reason: Photolysis of water takes place in the inner membrane of thylakoids.

Light-driven electron transport in the chloroplast pumps H+ into the intermembrane space between the outer and inner membranes.

Q. The proton gradient created across the thylakoid membrane in chloroplast?

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Where does the reaction 2H2O → 4H+ + O2 + 4e− take place in the chloroplast of plants?​

Where does the reaction $2 H_{2} O \to 4 H^{+} + O_{2} + 4 e^{-}$ take place in the chloroplast of plants?