Q.

Statement 1 : Electronic configuration of  23V3+ ion is Ar183d2 and not Ar183d04s2.

Statement 2 : V3+ ion is diamagnetic in nature.

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a

Statement 1 is true and Statement 2 is false.

b

Both Statement 1 and Statement 2 are true .

c

Both Statement 1 and Statement 2 are false.

d

Statement 1 is false and Statement 2 is true.

answer is B.

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Detailed Solution

 23V:Ar3d3,4s2;  23V3+:Ar3d2. Also it is paramagnetic due to the presence of two unpaired electrons.

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Statement 1 : Electronic configuration of  23V3+ ion is Ar18 3d2 and not Ar18 3d04s2.Statement 2 : V3+ ion is diamagnetic in nature.