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Largest difference in radii is found in ...

Largest difference in radii is found in case of the pair

A

Li,Na

B

Na,K

C

K,Rb

D

Rb,Cs

Text Solution

Verified by Experts

The correct Answer is:
B
Atomic radii as well as ionic radii increases from Li to Fr due to the presence of one extra shell of electrons .
Li, Na, K, Rb, Cs
Metallic radii, 152, 180 , 227, 248, 265
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