What is the van't Hoff factor for a compound which undergoes tetramerisation in an organic solvent?

Explanation

To find the van't Hoff factor (i) for a compound that undergoes tetramerization in an organic solvent, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Tetramerization**:
- Tetramerization refers to the process where one molecule of a compound combines with three other molecules to form a tetramer. For example, if we have a compound A, it will combine to form A4.

2. **Initial and Final Moles**:
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