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Ionization energies of five elements, ar...

Ionization energies of five elements, are given below:

Which of the following pair represents elements of same group?

A

B,C

B

A,B

C

A,D

D

B,D

Text Solution

Verified by Experts

The correct Answer is:
A
Both B and C shows a sudden jump in `IE_1` and `IE_2` values, so they will form stable mono cation.
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