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The first three successive ionisation en...

The first three successive ionisation energies of an element X are 520, 7297 and 11810 kJ `mol^(-1)` respectively. The element X belongs to

A

group 1

B

group 2

C

group 18

D

group 15

Text Solution

Verified by Experts

As `E_(1)` is not very high, elements X cannot belong to group 15 or 18. as successive IE s increases in the order `E_(1) lt lt E_(2) lt E_(3)`
`:.` X belong s to group 1.
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