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AIIMS 2009

Exam: AIIMS
Year: 2009
Subject: Chemistry
Chapter: Chemical Bonding and Molecular Structure

AIIMS 2009 · Chemistry · Chemical Bonding and Molecular Structure

The molecules having the same hybridization, shape and number of...

The molecules having the same hybridization, shape and number of lone pairs of electrons are

Options

A $\mathrm{SeF}_4, \mathrm{XeO}_2 \mathrm{~F}_2$
B $\mathrm{SF}_4, \mathrm{XeF}_2$
C $\mathrm{XeOF}_4, \mathrm{TeF}_4$
D $\mathrm{SeCl}_4, \mathrm{XeF}_4$

Correct answer

A. $\mathrm{SeF}_4, \mathrm{XeO}_2 \mathrm{~F}_2$

Step-by-step solution

\mathrm{SeF}_4

and

\mathrm{XeO}_2 \mathrm{~F}_2

are both

s p^3 d

hybridized, trigonal bipyramidal and see-saw shaped with 1 lone pair of electrons each.

\mathrm{SF}_4

has 1 lone pair,

\mathrm{XeF}_2

has 3 lone pairs.

\mathrm{XeOF}_4

is square pyramidal with 1 lone pair,

\mathrm{TeF}_4

is seesaw shaped with 1 lone pair,

\mathrm{SeCl}_4

has see-saw shape with 1 lone pair,

\mathrm{XeF}_4

has planar shape with 2 lone pairs.

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