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Ionization energies of five elements in ...

Ionization energies of five elements in kcal/mol are given below:

Q. Which of the following pair represents elements of same group?

A

Q,R

B

P,Q

C

P,S

D

Q,S

Text Solution

Verified by Experts

The correct Answer is:
A
Both Q and R shows group in `I.E_(2)` values annd belong to alkali metals.
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