Which of the following reactions is not a combination reaction ?

Options

A. reaction of iodine with white phosphorus
B. reaction of iron with sulphur
C. addition of water to lime
D. addition of concentrated sulphuric acid to sugar

Explanation

To determine which of the following reactions is not a combination reaction, we first need to understand what a combination reaction is. A combination reaction occurs when two or more reactants combine to form a single product.

Let's analyze each option step by step:

1. **Option 1: Reaction of iodine with white phosphorus**
- The reaction can be represented as:
\[
P_4 + 6I_2 \rightarrow 4PI_3
...