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Question

Which of the following element forms an oxide with highest valency?


A
V
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B
Cr
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C
Mn
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D
Fe
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Solution

The correct option is B Mn
Manganese shows +7 oxidation state in Mn2O7 which is the highest oxidation state.

Mn shows the highest oxidation state of +7 with oxygen because it can form p-pi−d-pi multiple bonds using 2p orbital of oxygen and 3d orbital of Mn.

Option C is correct.

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