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BITSAT 2014
Exam
BITSAT
Year
2014
Subject
Chemistry
Chapter
Chemical Bonding and Molecular Structure

BITSAT 2014 · Chemistry · Chemical Bonding and Molecular Structure

Which one of the following pairs is isostructural (i.e., having the...

Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?

Options

  1. A[BCl3andBrCl3−]\left[\mathrm{BCl}_{3}\right. and \left.\mathrm{BrCl}_{3}^{-}\right]
  2. B[NH3andNO3−]\left[\mathrm{NH}_{3}\right. and \left.\mathrm{NO}_{3}^{-}\right]
  3. C[NF3andBF3]\left[\mathrm{NF}_{3}\right. and \left.\mathrm{BF}_{3}\right]
  4. D[BF4−andNH4+]\left[\mathrm{BF}_{4}^{-}\right. and \left.\mathrm{NH}_{4}^{+}\right]

Correct answer

D. [BF4−andNH4+]\left[\mathrm{BF}_{4}^{-}\right. and \left.\mathrm{NH}_{4}^{+}\right]

Step-by-step solution

BF4−\mathrm{BF}_{4}^{-} hybridisation sp3\mathrm{sp}^{3}, tetrahedral structure. NH4+\mathrm{NH}_{4}^{+} hybridisation sp3,s p^{3}, tetrahedral structure.
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