The lanthanide contraction is responsibl...

The lanthanide contraction is responsible for the fact that

A

Size of `Zr gt gt HF`

B

Size of `Zr lt lt HF`

C

Size of `Zr ~~ HF`

D

Size of `Zr gt Zr^(4+)`

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The correct Answer is:

C

Size of `zr ~= HF`

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