Important Questions of Chemical Bonding and Molecular Structure Chemistry | Zigya

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 Multiple Choice QuestionsShort Answer Type

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621.

Why B2 is paramagnetic whereas C2 is dimagnetic?


 Multiple Choice QuestionsMultiple Choice Questions

622.

Dipole moment of  is 1.5 D. The dipole moment of  is

  • 1.5 D

  • 2.25 D

  • 1 D

  • 3 D


623.

The hybridisation of C2 and C3 of H3C-CH=C=CH-CH3 are:

  • sp , sp3

  • sp2 , sp

  • sp2 , sp2

  • sp , sp


624.

Hybridisation of central atom in NF3 is

  • sp3

  • sp

  • sp2

  • dsp2


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625.

Which one of the following contains P-O-P bond?

  • Hypophosphorus acid

  • Phosphorus acid

  • Pyrophosphoric acid

  • Orthophosphoric acid


626.

Which of the following orbitals will have zero probability  of finding the electron in the yplane. 

  • px

  • py

  • pz

  • dyz


627.

What type of orbital hybridisation is considered on P in PCl5?

  • sp3d

  • dsp3

  • sp3d2

  • d2sp3


628.

The bond order of CO molecule is

  • 2

  • 2.5

  • 3

  • 3.5


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629.

The bond order in O2- ion is

  • 2

  • 1

  • 2.5

  • 1.5


630.

The molecule having largest dipole moment among the following is :

  • CHI3

  • CH4

  • CHCl3

  • CCl4


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