Among the elements Zn, Ga, Ge as As, the one with the lowest first ionization energy is - · ABC26IN0203

Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: CSIR NET 2018 · Marks: 2 · Difficulty: Easy

Among the elements Zn, Ga, Ge as As, the one with the lowest first ionization energy is -

(a)As

(b)Zn

(c)Ga

(d)Ge

Answer

Answer: C ✓ checked by 4AB · confidence high

Explanation

Ga (4p¹, 5.99 eV) has the lowest first IE; Zn (filled 4s², 9.39 eV) is higher, then Ge and As (c).

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