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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 as well as ionic radii increases from Li to Fr due to the presence of one extra shell of electron.
`{:(,Li,Na,K,Rb,Cs),("Metallic radii (pm)",152,186,227,248,265):}`
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