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Q.

Yb+2 and Lu3+ are diamagnetic due to

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a

Partly filled ‘f’ sub shells

b

Fully filled ‘f’ sub shells

c

Vacant ‘f’ sub shells

d

Partly filled ‘d’ sub shells

answer is B.

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Detailed Solution

Both Yb+2 and Lu+3 have 4f14 configuration(no unpaired e-s).

Hence they are diamagnetic.

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