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AIIMS 201827 May

Exam: AIIMS
Year: 2018
Date: 27 May
Subject: Chemistry
Chapter: Chemical Bonding and Molecular Structure

AIIMS 2018 · 27 May · Chemistry · Chemical Bonding and Molecular Structure

Which pair of molecules does not have identical structure?

Which pair of molecules does not have identical structure?

Options

A $\mathrm{I}_3^{-}, \mathrm{BeF}_2$
B $\mathrm{O}_3, \mathrm{SO}_2$
C $\mathrm{BF}_3, \mathrm{ICl}_3$
D $\mathrm{BrF}_4^{-}, \mathrm{XeF}_4$

Correct answer

C. $\mathrm{BF}_3, \mathrm{ICl}_3$

Step-by-step solution

\mathrm{BF}_3 \rightarrow

Trigonal planar

\mathrm{ICl}_3 \rightarrow \mathrm{T}

-shape

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