Chemistry-Alkenes
NEET Chemistry Alkenes MCQ Question
Type: MCQ-fact-Hard-Class 11
What is the bond enthalpy of the double bond in alkenes?
A
681 kJ mol⁻¹
B
348 kJ mol⁻¹
C
500 kJ mol⁻¹
D
750 kJ mol⁻¹
Correct Answer
Option A
Detailed Explanation
The bond enthalpy of the double bond in alkenes is stated as 681 kJ mol⁻¹, indicating that it is stronger than the carbon-carbon single bond in ethane, which has a bond enthalpy of 348 kJ mol⁻¹.
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