Na⁺, Mg²⁺, Al³⁺ and Si⁴⁺ are isoelectronic. The order of their ionic size is

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Na⁺, Mg²⁺, Al³⁺ and Si⁴⁺ are isoelectronic. The order of their ionic size is

Options

(a) Na⁺>Mg²⁺< Al³⁺ (b) Na⁺Al³⁺>Si⁴⁺
(c) Na⁺>Mg²⁺>Al³⁺> Si⁴⁺
(d) Na⁺ Al³⁺

Correct Answer:

Na⁺>Mg²⁺>Al³⁺> Si⁴⁺

Explanation:

Amongst isoelectronic ions, thesize of thecation decreases as the magnitude of thecharge increases

Related Questions:

1. A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic
2. Which one of the following has an aromatic character
3. In the electrolysis of water, one faraday of electrical energy would evolve
4. Be²⁺ is isoelectronic with which of the following ions?
5. which one doesn’t liberate NH₃ when undergoes hydrolysis

Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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