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Question

The common oxidation states exhibited by VA group elements are:

A
+3 and +5
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B
+3 and +4
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C
+1 and +3
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D
+3 and -5
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Solution

The correct option is A +3 and +5
The common oxidation states exhibited by VA group elements are +3 and +5.

The valence shell electronic configurations of VA group elements are ns2 np3. This suggests common oxidation states of VA group elements as +3, +5 and 3.

Due to inert pair effect, on moving down the group, the stability of +3 oxidation state increases and that of +5 oxidation state decreases.

Option A is correct.

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