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JEE Main 2009

Exam: JEE Main
Year: 2009
Subject: Chemistry
Chapter: Classification of Elements and Periodicity in Properties

JEE Main 2009 · Chemistry · Classification of Elements and Periodicity in Properties

The set representing the correct order of ionic radius is :

The set representing the correct order of ionic radius is :

Options

A $\mathrm{Li}^{+}>\mathrm{Be}^{2+}>\mathrm{Na}^{+}>\mathrm{Mg}^{2+}$
B $\mathrm{Na}^{+}>\mathrm{Li}^{+}>\mathrm{Mg}^{2+}>\mathrm{Be}^{2+}$
C $\mathrm{Li}^{+}>\mathrm{Na}^{+}>\mathrm{Mg}^{2+}>\mathrm{Be}^{2+}$
D $\mathrm{Mg}^{2+}>\mathrm{Be}^{2+}>\mathrm{Li}^{+}>\mathrm{Na}^{+}$

Correct answer

B. $\mathrm{Na}^{+}>\mathrm{Li}^{+}>\mathrm{Mg}^{2+}>\mathrm{Be}^{2+}$

Step-by-step solution

Follow the periodic trends

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