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Question 7.1:Why are pentahalides more covalent than trihalides?

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Question 7.1:

Why are pentahalides more covalent than trihalides?


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Answer:

In pentahalides, the oxidation state is 5 and in trihalides, the oxidation state is 3. Since the metal ion with a high charge has more polarizing power, pentahalides are more covalent than trihalides.

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