Among the following, the isoelectronic pair is · ABC26IN0578
Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: Chemical Bonding – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
Among the following, the isoelectronic pair is
(a)NO and CO
(b)$\mathrm{O}_{2}{ }^{-}$(superoxide anion) and $\mathrm{NO}^{-}$
(c)$\mathrm{NO}^{+}$and CO
(d)$\mathrm{O}_{2}{ }^{-}$(superoxide anion) and $\mathrm{NO}^{+}$
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
NO⁺ and CO both have 14 electrons (bond order 3). NO has 15, O₂⁻ 17, NO⁻ 16.
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