Be²⁺ is isoelectronic with which of the following ions?

⇦

⇨

Be²⁺ is isoelectronic with which of the following ions?

Options

(a) H⁺
(b) Li⁺
(c) Na⁺
(d) Mg²⁺

Correct Answer:

Li⁺

Explanation:

Be²⁺= (4-2) = 2
is isoelectronic with Li⁺ (3-1 =2)
Since both have same number of electrons in their outermost shell.

Related Questions:

1. In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s
2. The set representing the correct order for the first ionisation potential is
3. Chloropicrin is obtained by the reaction of
4. H₂O₂ reduces MnO₄⁻ ion to
5. An increase in equivalent conductance of a strong electrolyte

Topics: Structure of Atom (90)
Subject: Chemistry (2512)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends