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Q.

Which of the following pairs of compounds is isoelectronic and isostructural?

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a

IBr2−,XeF2

b

TeI2,XeF2

c

IF3,XeF2

d

BeCl2,XeF2

answer is B.

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Detailed Solution

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Isoelectronic:
Same number of electrons
Isostructure:
Same molecular geometry
 

SpeciesTotal number of α electron valencyMolecular geometry
Br2−22Linear
XeF222Linear
Tel220Angular
XeF222Linear
IF328T-shape
XeF222Linear
BeCl216Linear
XeF222Linear
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