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Strongest conjugate base is...

Strongest conjugate base is

A

`Cl^-`

B

`Br^-`

C

`F^-`

D

`I^-`

Text Solution

AI Generated Solution

The correct Answer is:
To determine the strongest conjugate base among the given options (Cl-, Br-, F-, and I-), we can follow these steps: ### Step 1: Understand the relationship between acids and their conjugate bases - The strength of a conjugate base is inversely related to the strength of its corresponding acid. This means that the weaker the acid, the stronger its conjugate base. ### Step 2: Identify the acids corresponding to the conjugate bases - The conjugate acids for the given bases are: - Cl- → HCl - Br- → HBr - F- → HF - I- → HI ### Step 3: Determine the strength of the acids - The strength of these acids can be ranked based on their ability to donate protons (H+): - HF < HCl < HBr < HI - This means that HF is the weakest acid, while HI is the strongest acid. ### Step 4: Relate the strength of the acids to their conjugate bases - Since HF is the weakest acid, its conjugate base F- is the strongest among the given options. Conversely, since HI is the strongest acid, its conjugate base I- is the weakest. ### Conclusion - Therefore, the strongest conjugate base among the options is F-. ### Final Answer - The strongest conjugate base is **F-** (Option C).
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