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The first three successive ionisation en...

The first three successive ionisation energies of an element Z are 1402, 2858 and 4576 kJ `mol^(-1)` respectively. The element Z belongs to group

A

group 1

B

group 2

C

group 3

D

group 15

Text Solution

Verified by Experts

As `E_(1)` is quite high. Element 2 cannot belong to group 1 or group 2. as successive Ief increases in the order
`E_(1) lt E_(2) ltE_(3 )`
`:.` Element Z belongs to group 15
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