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Which one of the following pairs of elem...

Which one of the following pairs of elements is called 'chemical twins' because of their very similar chemical properties?

A

Mn and W

B

Mo and Tc

C

Fe and Re

D

Hf and Zr

Text Solution

Verified by Experts

The correct Answer is:
D
Zr and Hf possesses similar atomic size and hence are called twins of peridic table. It is due to lanthanide contraction.
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