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Which of the two ions from the list given below that have the geometry that is explained by the same hybridization of orbitals, NO2- , NO3-, NH2, NH2- , NH4, SCN-?
  • a)
    NO2- and NO3-
  • b)
    NH4+ and NO3-
  • c)
    SCN- and NH2-
  • d)
    NO2- and NH2-
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which of the two ions from the list given below that have the geometry...
Hybridisation = 1/2 [No. of valence electrons of central atom + no. of monovalent atoms attached to it + negative charge if any - positive charge if any]


i.e. N02- and N03- have same hybridisation.
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Most Upvoted Answer
Which of the two ions from the list given below that have the geometry...
Hybridization of orbitals

- Hybridization is the process of mixing different atomic orbitals to form new hybrid orbitals, which have different energies, shapes, and orientations than the original atomic orbitals.
- Hybridization is necessary to explain the geometry of molecules and ions that cannot be explained by the simple overlap of atomic orbitals.
- Hybridization is determined by the number and types of bonds and lone pairs around the central atom.

Geometry of ions

- The geometry of an ion is determined by the arrangement of its atoms and lone pairs around the central atom.
- The geometry is described by the number of bonding and non-bonding pairs of electrons around the central atom and the angles between them.
- The geometry is important because it determines the polarity, reactivity, and physical properties of the ion.

Comparison of ions

- NO2- has a trigonal planar geometry with sp2 hybridization, because it has two bonding pairs and one lone pair around the central nitrogen atom.
- NO3- has a trigonal planar geometry with sp2 hybridization, because it has three bonding pairs and no lone pairs around the central nitrogen atom.
- NH2 has a trigonal pyramidal geometry with sp3 hybridization, because it has two bonding pairs and one lone pair around the central nitrogen atom.
- NH2- has a trigonal pyramidal geometry with sp3 hybridization, because it has two bonding pairs and two lone pairs around the central nitrogen atom.
- NH4+ has a tetrahedral geometry with sp3 hybridization, because it has four bonding pairs and no lone pairs around the central nitrogen atom.
- SCN- has a linear geometry with sp hybridization, because it has one bonding pair and two lone pairs around the central nitrogen atom.

Conclusion

- NO2- and NO3- have the same trigonal planar geometry and sp2 hybridization, because they have similar bonding arrangements around the central nitrogen atom.
- The other ions have different geometries and hybridizations, because they have different bonding and non-bonding arrangements around the central nitrogen atom.
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Which of the two ions from the list given below that have the geometry that is explained by the same hybridization of orbitals, NO2- , NO3-, NH2, NH2- , NH4+, SCN-?a)NO2-and NO3-b)NH4+and NO3-c)SCN-and NH2-d)NO2-and NH2-Correct answer is option 'A'. Can you explain this answer?
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