Select the compound in which HCl is not the product of Hydrolysis:

Options

A. `NCl_(3)`
B. `PCl_(3)`
C. `AsCl_(3)`
D. `BiCl_(3)`

Explanation

To solve the question of which compound does not produce HCl upon hydrolysis, we will analyze the hydrolysis reactions of the given compounds step by step.

### Step 1: Analyze the first compound, NCl3 (Nitrogen trichloride)
- When NCl3 reacts with water (H2O), the reaction is as follows:
\[ \text{NCl}_3 + 3 \text{H}_2\text{O} \rightarrow \text{NH}_3 + 3 \text{HOCl} \]
- In this reaction, we produce NH3 (ammonia) and HOCl (hypochlorous acid), but no HCl is formed.

### Step 2: Analyze the second compound, PCl3 (Phosphorus trichloride)
- The hydrolysis of PCl3 can be written as:
\[ \text{PCl}_3 + 3 \text{H}_2\text{O} \rightarrow \text{H}_3\text{PO}_3 + 3 \text{HCl} \]
- Here, we produce H3PO3 (phosphorous acid) and 3 moles of HCl.

### Step 3: Analyze the third compound, AsCl3 (Arsenic trichloride)
- The hydrolysis reaction for AsCl3 is:
\[ \text{AsCl}_3 + 3 \text{H}_2\text{O} \rightarrow \text{H}_3\text{AsO}_3 + 3 \text{HCl} \]
- This reaction also produces H3AsO3 (arsenic acid) and 3 moles of HCl.

### Step 4: Analyze the fourth compound, BiCl3 (Bismuth trichloride)
- The hydrolysis of BiCl3 can be expressed as:
\[ \text{BiCl}_3 + \text{H}_2\text{O} \rightarrow \text{BiOCl} + 2 \text{HCl} \]
- In this case, we produce BiOCl (bismuth oxychloride) and 2 moles of HCl.

### Conclusion
From the analysis of all four compounds, we can conclude that:
- NCl3 does not produce HCl upon hydrolysis, while PCl3, AsCl3, and BiCl3 do produce HCl.

Thus, the compound in which HCl is not the product of hydrolysis is **NCl3**.