chemistry-class-11-unit-04-chapter-05-chemical-bonding-molecular-structure-l-5-7-cth1mve-cac

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-5 </Success>
### <primary style="font-size:24px"> Structure </primary>
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- $NH_3$
  - $sp^3$ hybrid orbital 
  - $CH_4$
  - Electronic configuration of nitrogen - $ 1s^2 2s^2 2p^3$

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<footer style = "font-size: 18px"> $\rightarrow$ Chemical bonding and molecular structure $\rightarrow$ <span style = "color:blue"> Structure </span> $\rightarrow$ Structure $\rightarrow$ Structure </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-5 </Success>
### <primary style="font-size:24px"> Orbital of overlapping </primary>
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- s + s $\rightarrow$ s-s overlapping
 - s + p $\rightarrow$ s-p overlapping 
 - p + p $\rightarrow$ p-p overlapping

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<footer style = "font-size: 18px">Structure $\rightarrow$ Structure $\rightarrow$ <span style = "color:blue"> Orbital of overlapping </span> $\rightarrow$ Orbital of overlapping $\rightarrow$ Structure </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-5 </Success>
### <primary style="font-size:24px"> Orbital of overlapping </primary>
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- A-B molecules 
 - If the axis for A - B molecule is considered to be z axis , then the atom A shold use $p_z$ orbital to form a sigma $(\sigma)$ bond
 - The bond between A and B is considered on z axis
 - $\pi$ bond are formed by $p_x$ or $p_y$ orbital
 - $\pi$ bond are formed by parallal overlapping

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<footer style = "font-size: 18px">Structure $\rightarrow$ Orbital of overlapping $\rightarrow$ <span style = "color:blue"> Orbital of overlapping </span> $\rightarrow$ Structure $\rightarrow$ Ethyne or acetylene </footer>

### <Success style="font-size:25px"> Chemical Bonding Molecular Structure L-5 </Success>
### <primary style="font-size:24px"> Structure </primary>
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| Hybridisation | Shape | Example |
| -------- | -------- | -------- |
| $sp^3d$    | trigonal bipyramidal     | $PF_5$, $PCl_5$     |
| $sp^3d^2$    | square pyramidal     | $BrF_5$     |
| $sp^3d^2$    | octahedral     | $SF_6$     |
| $d^2sp^3$    | octahedral     | $[Co(NH_3)_6]^{3+}$     |
| $dsp^2$    | square planar     | $[Ni(CN)_4]^{2-}$     |

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<footer style = "font-size: 18px">Ethyne or acetylene $\rightarrow$  $\rightarrow$ <span style = "color:blue"> Structure </span> $\rightarrow$ Structure $\rightarrow$ Structure </footer>