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JEE Main 202529 JanuaryEvening Shift

Exam: JEE Main
Year: 2025
Date: 29 January
Shift: Evening Shift
Subject: Chemistry
Chapter: Classification of Elements and Periodicity in Properties

JEE Main 2025 · 29 January · Evening Shift · Chemistry · Classification of Elements and Periodicity in Properties

The type of oxide formed by the element among Li, Na, Be, Mg, B and...

The type of oxide formed by the element among

\mathrm{Li}, \mathrm{Na}, \mathrm{Be}, \mathrm{Mg}, \mathrm{B}

and Al that has the least atomic radius is :

Options

A $\mathrm{A}_2 \mathrm{O}$
B $\mathrm{A}_2 \mathrm{O}_3$
C $\mathrm{AO}_2$
D $\mathrm{AO}$

Correct answer

B. $\mathrm{A}_2 \mathrm{O}_3$

Step-by-step solution

Among given atoms, Boron has least atomic radius oxide of Boron

=\mathrm{B}_2 \mathrm{O}_3

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