Fluorination of alkenes takes place ................ and may result in the rupture of ................ bond.

Explanation

To solve the question, we need to fill in the blanks regarding the fluorination of alkenes and the type of bond that may be ruptured during this reaction.

### Step-by-Step Solution:

1. **Understanding the Reaction Type**:
- Alkenes are unsaturated hydrocarbons that typically undergo addition reactions. The common reactions include halogenation, which involves the addition of halogens (like bromine, chlorine, etc.) to the double bond of alkenes.

2. **Fluorination Specifics**:
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