For one of the element various successive ionization enthalpies (in $kJ mol^{- 1}$ ) are given below :
I.E.
$1^{st}$
$2^{nd}$
$3^{rd}$
$4^{th}$
$5^{th}$

577.5
1810
2750
11,580
14,820
The element is

Question

For one of the element various successive ionization enthalpies (in kJ mol^-1 ) are given below : I.E. 1^ st 2^ nd 3^ rd 4^ th 5^ th 577.5 1810 2750 11,580 14,820 The element is

Accepted Answer

Correct answer: D. (d) : Large jump between IE_3 and IE_4 suggests that the element has three valence electrons.

$For one of the element various successive ionization enthalpies (in kJ mol^{- 1}) are given below : I.E. 1^{st} 2^{nd} 3^{rd} 4^{th} 5^{th} 577.5 18102750 11,580 14,820 The element is$

Solution

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