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. Transition elements
2. Four diatomic species are listed below. Identilfy the correct order in which
3. If electron has spin quantum number +1/2 and magnetic quantum number –1,it cannot
4. An electron with values 4,1,-1 and +1/2 for the set of four quantum numbers
5. Property of the alkaline earth metals that increases with their atomic number

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

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