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dlinn [17]
4 years ago
7

There are some exceptions to the trends of first and successive ionization energies. For each of the following pairs, explain wh

ich ionization energy would be higher:
(a) IE₁ of Ga or IE₁ of Ge
(b) IE₂ of Ga or IE₂ of Ge
(c) IE₃ of Ga or IE₃ of Ge
(d) IE₄ of Ga or IE₄ of Ge
Chemistry
2 answers:
EleoNora [17]4 years ago
7 0

Explanation:

a) IE1 of Germenium.  ionization energy decreases down the group.

b) Here IE2 of Ga is higher because second valence electron of gallium is in s orbital whereas second valence electron of germenium is in p orbital.

c) IE3 of Ge is higher as this follows the trend.

d)IE4 of Ga is higher because the 4th valence electron of Ga is a core electron and the for Ge it is in s orbital and it takes higher energy to break a core electron than the orbital ones.

NNADVOKAT [17]4 years ago
4 0

Answer:

(b) IE₂ of Ga >  IE₂ of Ge

Explanation:

Electronic configuration of Ga is [Ar] 3d¹⁰4s²4p¹

Electronic configuration of Ge is [Ar] 3d¹⁰4s²4p²

After 1st ionisation , Ga  becomes [Ar] 3d¹⁰4s² and becomes stable . Its

2 nd ionisation requires higher amount of ionisation energy. In case of Ge , there are 2 electrons in outermost orbital so it becomes stable after ionisation of 2 electrons.

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