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JEE Main levelSingle correct optionDifficulty 2 of 3pn065

Assertion: Ozone is thermodynamically unstable with respect to dioxygen. Reason: The conversion is exothermic and is accompanied by an increase in entropy.

  1. ABoth Assertion and Reason are true and the Reason is the correct explanation of the Assertion
  2. BBoth Assertion and Reason are true but the Reason is not the correct explanation of the Assertion
  3. CAssertion is true but Reason is false
  4. DAssertion is false but Reason is true

Answer: A

For , and the number of gas moles rises from 2 to 3 so ; hence at all temperatures. The Reason therefore explains the Assertion.
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