Statement (A): Van der Waals’ radii is an element are always larger than its covalent radii.
Statement (B): Metallic radii is always larger than the covalent radii.
Statement (C): Crystal radius is used for metals.

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A and B are correct but C s incorrect

All the above statements are incorrect

All the above statements are correct

A and B are incorrect but C is correct

answer is A.

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Detailed Solution

Statement -1: It is one half of the in two inter nuclear distance between the two atoms of x and y in the two neighbouring molecules of the substance in the solid state. Thus the statement-1 is correct.

Statement-2 &3 It is also called metallic radii, half of the distance between the nuclei of two adjacent metal atoms in the metallic closed packed crystal lattice It is for metal atoms which are assumed to be closely packed sphere s in the metallic crystal.

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