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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
Match List $I$ with List $II$.

List $I$ (Compound) List $II$ (Shape/geometry)
$A$. $\mathrm{NH}_3$ $I$. Trigonal Pyramidal
$B$. $\mathrm{BrF}_5$ $II$. Square Planar
$C$. $\mathrm{XeF}_4$ $III$. Octahedral
$D$. $\mathrm{SF}_6$ $IV$. Square Pyramidal

Choose the correct answer from the options given below:

  • A
    $ A-II, B-IV, C-III, D-I$
  • B
    $A-III, B-IV, C-I, D-II$
  • C
    $A-II, B-III, C-IV, D-I$
  • ✓
    $A-I, B-IV, C-II, D-III$
✓

Answer

Correct option: D.
$A-I, B-IV, C-II, D-III$
d
$\mathrm{NH}_3 \Rightarrow s p^3$ hybridised with $1$ lone pair.

Structure will be Trigonal Pyramidal.

$\mathrm{BrF}_5 \Rightarrow s p^3 d^2$ hybridised with $1$ lone pair.

Structure will be Square Pyramidal.

$\mathrm{XeF}_4 \Rightarrow s p^3 d^2$ with two lone pairs.

Structure will be Square Planar.

$\mathrm{SF}_6 \Rightarrow s p^3 d^2$ with no lone pair.

Structure will be Octahedral.

$A-I, B-IV, C-II, D-III$

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