Which of the following statements is correct about O_2 and O_3 molecule?

MHT CET 2025 Chemistry question

Which of the following statements is correct about and molecule?

(A) and are paramagnetic
(B)The enthalpy change during the formation of from is positiveCorrect
(C)The entropy change in the formation of from is positive
(D) is more stable than

Answer: (B)

Solution

Ozone is formed endothermically: , (per mole of ozone), so (B) is correct. (A) is false: has two unpaired electrons in its orbitals (paramagnetic), but has all electrons paired

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Question ID VK-100590