Complete the following chemical equation :
(i) `P_(4)+NaOH+H_(2)Orarr`
(ii)`XeF_(4)+O_(2)F_(2)rarr`

Explanation

Let's complete the given chemical equations step by step.

### Step 1: Completing the first equation
The first equation is:
\[ P_4 + \text{NaOH} + \text{H}_2\text{O} \rightarrow ? \]

1. **Identify the reaction type**: This reaction involves phosphorus (P) reacting with sodium hydroxide (NaOH) and water (H2O). It is known as a disproportionation reaction, where phosphorus is both oxidized and reduced.

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