Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Medium-Class 12
What is the enthalpy change when 3 moles of ozone are formed from oxygen under standard conditions?
A
426 kJ
B
142 kJ
C
284 kJ
D
568 kJ
Correct Answer
Option A
Detailed Explanation
The enthalpy change for the formation of 2 moles of ozone (from 3 moles of O2) is +142 kJ. Therefore, for 3 moles of ozone, it would be (3/2) * 142 kJ = 426 kJ.
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