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(a) Indicate the number of regions of high electron density, and the electronic and molecular geometries of the following molecules:

(i) [tex]CdI_2[/tex]

(ii) [tex]CH_4[/tex]

(iii) [tex]NF_3[/tex]



Answer :

GinnyAnswer

Final answer:

The answer provides the electron pair and molecular geometries for CdI₂, CH₄, and NF₃ molecules.


Explanation:

Electron pair geometry refers to the arrangement of regions of high electron density around a central atom in a molecule. The molecular geometry is determined by the positions of the atoms in the molecule. Let's analyze the given molecules:

  1. CdI₂: 2 regions of high electron density; linear geometry
  2. CH₄: 4 regions of high electron density; tetrahedral electron pair geometry and molecular geometry
  3. NF₃: 4 regions of high electron density; trigonal pyramidal molecular geometry

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