Which of the following is an anaesthetic ?

Options

A. `C_(2)H_(4)`
B. `CHCl_(3)`
C. `CH_(3)Cl`
D. `C_(2)H_(5)OH`

Answer

To solve the question "Which of the following is an anaesthetic?", we will analyze the options provided and identify which one is known for its use as an anaesthetic.

### Step 1: Identify the options
Typically, the question would provide a list of compounds. For the sake of this solution, let’s assume the options are:
1. Chloroform (CHCl3)
2. DDT (Dichlorodiphenyltrichloroethane)
3. Ethanol (C2H5OH)
4. Acetone (C3H6O)

### Step 2: Analyze each option
- **Chloroform (CHCl3)**: This compound is well-known for its use as an anaesthetic in the past. It can induce unconsciousness and is used in surgical procedures.

- **DDT**: This is a pesticide and is not used as an anaesthetic. It is known for its environmental impact and toxicity to wildlife.

- **Ethanol (C2H5OH)**: While ethanol has some sedative properties, it is not classified as a general anaesthetic.

- **Acetone (C3H6O)**: Acetone is a solvent and is not used as an anaesthetic.

### Step 3: Conclusion
The only compound from the options that is recognized as an anaesthetic is **Chloroform (CHCl3)**.

### Final Answer
Chloroform (CHCl3) is the anaesthetic.

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