NH3 molecule did not use sp3 hybridized orbitals

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SUMMARY

The NH3 molecule does not utilize sp3 hybridized orbitals, leading to a bond angle of 90 degrees when considering the nitrogen atom's p orbitals (P_{x}, P_{y}, P_{z}). This configuration arises from the orthogonal nature of the p orbitals. If the nitrogen were to hybridize using sp2 orbitals instead, the bond angles would adjust to 120 degrees, reflecting the trigonal planar geometry associated with sp2 hybridization.

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Homework Statement


20. If the central N in the NH3 molecule did not use sp3 hybridized orbitals. What would be the expected angle in NH3?

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The Attempt at a Solution



I should just consider 3 of the H: [tex]1s^{1}[/tex] bonding with the [tex]P_{x} , P_{y} , P_{z}[/tex] respectively and the angle is 90deg since they are orthogonal to one another.
 
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What if it hybridized sp2?
 

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