The expanded from of DDT is :

Options

A. dichloro diphenyl trichloroethane
B. dichloro diethyl trichloroethane
C. dichloro dipyrydyl trichloroethane
D. dichloro diphenyl tetrachloroacetate

Answer

To answer the question about the expanded form of DDT, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Acronym**: Start by recognizing that DDT is an acronym that stands for a chemical compound.

2. **Recall the Chemical Name**: The full chemical name associated with DDT is known to be a specific combination of elements and structures.

3. **Break Down the Components**: The full name consists of several parts:
- "Dichloro" refers to the presence of two chlorine atoms.
- "Diphenyl" indicates that there are two phenyl groups (benzene rings).
- "Trichloro" means there are three chlorine atoms.
- "Ethane" refers to the ethane backbone structure.

4. **Combine the Components**: Putting these components together, the full name of DDT is:
- **Dichlorodiphenyltrichloroethane**.

5. **Select the Correct Option**: From the given options, identify which one matches the full name derived from the components. The correct expanded form of DDT is:
- **Dichlorodiphenyltrichloroethane**.

### Final Answer:
The expanded form of DDT is **Dichlorodiphenyltrichloroethane**.

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