Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Chemical Bonding and Molecular Structure question

2010 · Q70
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Chemical Bonding and Molecular Structure
  5. /2010 · Q70

Chemical Bonding and Molecular Structure question

2010 · Q70

NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
In which of the following molecules the central atom does not have sp3 hybridization?
  1. A
    CH4
  2. B
    SF4
  3. C
    BF4−-−
  4. D
    NH4+
View written solutionFree

Correct answer: B

For neutral molecules

No. of electron pairs = No. of atoms bonded to it + 1/2[Gp. no. of central atom - Valency of central atom]

∴\therefore∴For CH4, no. of e- pairs = 4 + 1/2[4 - 4] = 4 (sp3 hybridisation)

For SF4, no. of e- pairs = 4 + 1/2[6 - 4] = 5 (sp3d hybridisation)

and For ions,

No. of electron pairs = No. of atoms bonded to it + 1/2[Gp. no. of central atom - Valency of central atom ±\pm± No. of electrons]

∴\therefore∴For BF4-, no. of e- pairs = 4 + 1/2[3 - 4 + 1] = 4 (sp3 hybridisation)

For NH4+, no. of e- pairs = 4 + 1/2[5 - 4 - 1] = 4 (sp3 hybridisation)

PreviousNext

More from Chemical Bonding and Molecular Structure

  • Some of the properties of the two species, NO3−​ and H3​O+ are described below. Which one of them is current?2010 · MCQ
  • Which one of the following species does not exist under normal conditions?2010 · MCQ
  • In which of the following pairs of molecules/ ions, the central atoms have sp2 hybridisation ?2010 · MCQ
  • In which one of the following species the central atom has the type of hybridization which is not the same as that present in the other three ?2010 · MCQ
  • What is the dominant intermolecular force or bond that must be overcome in converting liquid CH3OH to a gas?2009 · MCQ
  • In which of the following molecules/ions BF3, NO2−​, NH2−​ and H2O, the central atom is sp2 hybridised?2009 · MCQ
  • According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ?2009 · MCQ
  • Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them2008 · MCQ