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. Which of the following is a hypnotic
2. Which of the following has the minimum bond length ?
3. Which of the following has highest hydration energy
4. Which of the following has the highest electron affinity?
5. In an isobaric process, the ratio of heat supplied to the system (dQ)

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

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