For the following Assertion and Reason, the correct option is:Assertion: The pH of water decreases with increase in temperature.Reason: The dissociation of water into H+ and OH- is an endothermic reaction.
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a
Both assertion and reason are true, But the reason is not the correct explanation for the assertion
b
Assertion is not true, but reason is true
c
Both assertion and reason are false
d
Both assertion and reason are true, and the reason is the correct explanation for the assertion
answer is D.
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Detailed Solution
H2O+H2O⇌H3O++OH− Endothermic ReactionIncrease in temperature increases K w and pH decreases.