Which of the following shell, form an outer octahedral complex?

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 Multiple Choice QuestionsMultiple Choice Questions

321.

The helical structure of protein is stabilized by

  • dipeptide bond

  • hydrogen bonds

  • ether bonds

  • peptide bonds


322.

The dipole moment of HBr is 1.6 × 10-30 cm and inter-atomic spacing is 1 Å. The % ionic character of HBr is

  • 7

  • 10

  • 15

  • 27


323.

The C-O-H bond angle in ethanol is nearly

  • 90°

  • 104°

  • 120°

  • 180°


324.

The molecule having zero dipole moment is

  • CH2Cl2

  • BF3

  • NF3

  • ClF3


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325.

The bond angle is smallest in

  • H2O

  • H2S

  • BeCl2

  • N2O


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326.

Which of the following shell, form an outer octahedral complex?

  • d4

  • d8

  • d6

  • None of these


D.

None of these

d4: Forms outer complex in high spin and forms inner complex in low spin. If cannot form octahedral complex.

d: In low spin it forms inner octahedral complex and in high spin forms outer octahedral complex.

d: forms only outer spin octahedral complex.


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327.

Valence bond theory of metallic bond was given by

  • Dalton

  • Drudel

  • Fajan

  • Pauling 


328.

The calculated bond order in O2- ions is

  • 1

  • 1.5

  • 2

  • 2.5


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329.

Which combination of atoms can form a polar covalent bond ?

  • H and N

  • H and Br

  • N and N

  • Na and Br


330.

The bond length of H2+, H2- and H2 are in the following order

  • H2+ > H2 > H2-

  • H2H2+ > H2-

  • H2- > H2 > H2+

  • H2- > H2+ > H2


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