The molecule in which there is no lone pair on xenon atom is 

Options

A. `XeF_6`
B. `XeF_2`
C. `XeF_4`
D. `N e`

Answer

To solve the question "The molecule in which there is no lone pair on xenon atom is," we need to analyze the given options and determine the presence of lone pairs on the xenon atom in each case.

### Step-by-Step Solution:

1. **Identify the Options**: The options provided are:
- (a) XeF6
- (b) XeF2
- (c) XeF4
- (d) Ne (Neon)

2. **Analyze XeF6**:
- XeF6 has a total of 6 fluorine atoms bonded to xenon.
- The structure of XeF6 shows that there are 6 bond pairs and 1 lone pair on the xenon atom.
- **Conclusion**: XeF6 has a lone pair. (Not the correct answer)

3. **Analyze XeF2**:
- XeF2 has 2 fluorine atoms bonded to xenon.
- The structure of XeF2 shows that there are 2 bond pairs and 3 lone pairs on the xenon atom.
- **Conclusion**: XeF2 has lone pairs. (Not the correct answer)

4. **Analyze XeF4**:
- XeF4 has 4 fluorine atoms bonded to xenon.
- The structure of XeF4 shows that there are 4 bond pairs and 2 lone pairs on the xenon atom.
- **Conclusion**: XeF4 has lone pairs. (Not the correct answer)

5. **Analyze Ne (Neon)**:
- Neon is a noble gas and does not contain xenon.
- Since there is no xenon atom in neon, there can be no lone pairs on xenon.
- **Conclusion**: Neon does not have a xenon atom, hence no lone pairs on xenon. (This is the correct answer)

### Final Answer:
The molecule in which there is no lone pair on the xenon atom is **Ne (Neon)**.