The decreasing order of the first ionization energy of the following elements is: · ABC26IN0798
Subject: Inorganic Chemistry · Chapter: Periodic Properties · Topic: Periodic Properties – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Hard
The decreasing order of the first ionization energy of the following elements is:
(a)$\mathrm{Xe}>\mathrm{Be}>\mathrm{As}>\mathrm{Al}$
(b)$\mathrm{Xe}>\mathrm{As}>\mathrm{Al}>\mathrm{Be}$
(c)$\mathrm{Xe}>\mathrm{As}>\mathrm{Be}>\mathrm{Al}$
(d)$\mathrm{Xe}>\mathrm{Be}>\mathrm{Al}>\mathrm{As}$
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
IE₁: Xe 12.1 > As 9.8 > Be 9.3 > Al 6.0 eV (c).
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