GKFix MCQ Question

How is the mean C–H bond enthalpy in methane derived from ∆aH⁰?

• A. By multiplying ∆aH⁰ by 4
• B. By subtracting 4 from ∆aH⁰
• C. By dividing ∆aH⁰ by 4
• D. By adding 4 to ∆aH⁰