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Question

Assertion :The splitting of water is associated with ps II. Reason: Water is split intoH+, O2 and electrons.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect and Reason are correct
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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The splitting of water is associated with the PS-II; water is split into H+, [O] and electrons. This creates oxygen, one of the net products of photosynthesis. The electrons needed to replace those removed from PS I are provided by PS II.
2H2O → 4H+ + O2 + 4e
So, the correct option is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'

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