Question

How many charge clouds are there around a central atom in molecules that have the following geometry?
1.tetrahedral
2.octahedral
3.bent
4.linear
5.square pyramidal
6.Trigonal pyramidal

Answer 1

Question #48221, Chemistry, Inorganic Chemistry

How many charge clouds are there around a central atom in molecules that have the following geometry?

1. tetrahedral

2. octahedral

3. bent

4. linear

5. square pyramidal

6. Trigonal pyramidal

Answer:

The charge of the electron cloud depends on the number of valence electrons. This amount depends on the type of hybridization of the central atom.

1. Tetrahedral (CH₄) n=4

2. Octahedral (SF₆) n=6

3. Bent (H₂O) n=2

4. Linear (CO₂) n=2

5. Square pyramidal (BrF₅) n=5

6. Trigonal pyramidal (NH₃) n=3

Qₑ=1.6·10⁻¹⁹ C

Q_cloud = Qₑ·Z + Qₑ·n·x

Z- atomic number; n- number of bonds; x- multiplicity of communication

For example:

N₂ n=1 x=3 N≡N

Q_cloud=7·1.6·10⁻¹⁹+3·1·1.6·10⁻¹⁹=1.6·10⁻¹⁸

BrF₅ n=5 x=1

Q_cloud=35·1.6·10⁻¹⁹+5·1·1.6·10⁻¹⁹=6.4·10⁻¹⁸

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