Ethyl isocyanate on hydrolysis with water partially gives

Options

A. Ehtyl amine
B. N-ethyl carbamic acid
C. Ethyl carbylamine
D. Propane nitrile

Answer

To solve the question regarding the hydrolysis of ethyl isocyanate, we will follow these steps:

### Step 1: Understand the Structure of Ethyl Isocyanate
Ethyl isocyanate has the following structure:
- Ethyl group (C2H5)
- Isocyanate functional group (N=C=O)

The complete structure can be represented as:
\[ \text{C}_2\text{H}_5\text{N=C=O} \]

### Step 2: Perform Partial Hydrolysis
When ethyl isocyanate undergoes partial hydrolysis with water, the reaction can be represented as follows:
\[ \text{C}_2\text{H}_5\text{N=C=O} + \text{H}_2\text{O} \rightarrow \text{C}_2\text{H}_5\text{N}(\text{OH})\text{C(=O)OH} \]

### Step 3: Identify the Products
During partial hydrolysis, the isocyanate group reacts with water to form an intermediate compound. The nitrogen atom will gain a hydrogen atom from water, and the hydroxyl group (OH) will attach to the carbon atom, leading to the formation of:
- N-ethylcarbamic acid (also known as ethyl carbamate)

The structure of N-ethylcarbamic acid can be represented as:
\[ \text{C}_2\text{H}_5\text{N}(\text{OH})\text{C(=O)OH} \]

### Step 4: Conclusion
Thus, the product of the partial hydrolysis of ethyl isocyanate is:
- **N-ethylcarbamic acid**

### Final Answer
The correct answer is **N-ethylcarbamic acid**.

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