What product is obtained when Benzencarbonitrile is hydrolysed.

Options

A. Benzoylchloride
B. Benzenecarboxamide
C. Benzaldehyde
D. Benzoic acid

Answer

To determine the product obtained when benzene carbonitrile is hydrolyzed, we can follow these steps:

### Step 1: Identify the structure of benzene carbonitrile
Benzene carbonitrile, also known as benzonitrile, has the chemical formula C6H5CN. It consists of a benzene ring (C6H5) attached to a nitrile group (CN).

### Step 2: Understand hydrolysis
Hydrolysis is a chemical reaction involving water that leads to the breakdown of a compound. In the case of nitriles, hydrolysis typically converts the nitrile group into a carboxylic acid.

### Step 3: Write the hydrolysis reaction
When benzene carbonitrile undergoes hydrolysis, it reacts with water (H2O). The reaction can be represented as follows:

\[ \text{C}_6\text{H}_5\text{CN} + \text{H}_2\text{O} \rightarrow \text{C}_6\text{H}_5\text{COOH} + \text{NH}_3 \]

### Step 4: Identify the product
The product of this hydrolysis reaction is benzoic acid (C6H5COOH) and ammonia (NH3).

### Conclusion
Thus, when benzene carbonitrile is hydrolyzed, the main product obtained is benzoic acid.

### Final Answer
The product obtained when benzene carbonitrile is hydrolyzed is **benzoic acid**.

---