In which of the following compounds banana bond is present ?

Options

A. `BCl_(3)`
B. `B_(2) H_(6)`
C. `B(OH)_(3)`
D. All of these

Answer

To determine which of the given compounds contains a banana bond, we need to understand what a banana bond is and how it is formed.

### Step-by-Step Solution:

1. **Understanding Banana Bonds**:
- A banana bond is a type of bond found in certain boron compounds, particularly in diborane (B2H6). It is characterized as a three-centered, two-electron bond. This means that the bond involves three atoms and only two electrons are shared among them.

2. **Example of Banana Bond**:
- In diborane (B2H6), each boron atom forms two terminal B-H bonds and one bridging B-H bond. The bridging bond is the banana bond, where the bond is formed between two boron atoms and one hydrogen atom, creating a three-center bond.

3. **Analyzing the Structure of B2H6**:
- In B2H6, the structure can be visualized as having two boron atoms connected by hydrogen atoms. The bridging hydrogen atoms create the banana bond, which can be visualized as a "banana" shape due to the spatial arrangement of the atoms.

4. **Identifying Other Compounds**:
- To determine if other compounds contain banana bonds, we need to analyze their structures. If they do not have a similar three-centered bond involving boron and hydrogen, they will not have banana bonds.

5. **Conclusion**:
- Based on the analysis, the only compound that contains banana bonds is diborane (B2H6). Other compounds mentioned in the question do not exhibit this type of bonding.

### Final Answer:
The compound that contains a banana bond is B2H6 (diborane).

---