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  • Tell me? Which of the following pairs of compounds is isoelectronic and isostructural?

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

  • Option 1)

    BeCl2, XeF2

  • Option 2)

    Tel2, XeF2

  • Option 3)

    \text{IBr}_2^ - ,\,\text{XeF}_2

  • Option 4)

    IF3, XeF2

 

Answers (1)

best_answer

In concept id

Valence bond theory ( VBT ) -

1.  It is formed by overlapping of valence shell atomic orbital of the two atoms having unpaired electron.

2.  There is maximum electron density between the bonding atoms

3.  Greater the overlapping of atomic orbital higher is the strength of chemical bond 

- wherein

 

 

Species Number of electron Structure
BeCl_2
XeF_2		 38
72		 Linear
Linear
TeI_2
XeF_2		 158
72		 Bent
Linear
IBr^-_2
XeF_2		 124
72		 Linear
Linear
IF_3
XeF_2		 80
72		 T-shaped
Linear

In this question in place of isoelectronic there showed be same number of valence electron.


Option 1)

BeCl2, XeF2

Incorrect

Option 2)

Tel2, XeF2

Incorrect

Option 3)

\text{IBr}_2^ - ,\,\text{XeF}_2

Correct

Option 4)

IF3, XeF2

Incorrect

Posted by

Aadil

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