GKFix MCQ Question

Why is the reaction rate of alkanes with fluorine (F₂) significantly faster than with iodine (I₂)?

• A. Fluorine is a gas while iodine is a solid
• B. Fluorine atoms are smaller
• C. Fluorine is much more reactive due to weaker F-F bond and stronger H-F bond formed
• D. Iodine is more electronegative