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Hexaborane (10) is....

Hexaborane `(10)` is.

A

`B_(6)H_(8)`

B

`B_(6)H_(10)`

C

`B_(6)H_(12)`

D

`B_(6)H_(6)`

Text Solution

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The correct Answer is:
To determine the molecular formula of hexaborane (10), we can follow these steps: ### Step 1: Understand Boranes Boranes are hydrides of boron, and they can be classified into two series based on their molecular formulas: 1. **BnHn+4** series 2. **BnHn+6** series ### Step 2: Identify the Series for Hexaborane Hexaborane refers to a boron hydride where the subscript indicates the number of boron atoms. For hexaborane, we have: - **n = 6** (since "hexa" means six) ### Step 3: Calculate the Molecular Formula Using the two series formulas: - For **BnHn+4**: When n = 6, we get B6H10. - For **BnHn+6**: When n = 6, we get B6H12. So, hexaborane can refer to either B6H10 or B6H12. ### Step 4: Distinguish Between the Two Forms To distinguish between these two compounds, we use the notation: - **Hexaborane (10)** refers to B6H10. - **Hexaborane (12)** refers to B6H12. ### Conclusion Thus, the molecular formula for hexaborane (10) is **B6H10**. ---
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