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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.
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- Molar conductivity decreases with decrease in concentration
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Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- On heating sodium metal in dry ammonia, the compound formed is
- Molar conductivity decreases with decrease in concentration
- Urea is preferred to ammonium sulphate as a nitrogeneous fertilizer because
- Glycerol on treated with oxalic acid gives
- In steam distillation of toluene, the pressure of toluene in vapour is
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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