The decreasing order of the first ionization energy of the following element is · ABC26IN0795
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 element is
(a)He > H > Be > B
(b)$\mathrm{Be}>\mathrm{B}>\mathrm{H}>\mathrm{He}$
(c)$\mathrm{H}>\mathrm{He}>\mathrm{Be}>\mathrm{B}$
(d)$\mathrm{B}>\mathrm{Be}>\mathrm{He}>\mathrm{H}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
IE₁: He 24.6 > H 13.6 > Be 9.3 > B 8.3 eV (a).
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