Decreasing order of bond angle is from Chemistry Chemical Bondin

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531.

The dipole moment is minimum in

  • NH3

  • NF3

  • SO2

  • BF3


532.

S2O82- have

  • S-S bond

  • S-O bridge

  • O-O bridge

  • All S-O bond lengths are same.


533.

N-N bond length is minimum in

  • N2O

  • N2O3

  • N2O4

  • N2O5


534.

Assertion : Bond dissociation energy is F2 > Cl2.

Reason : Cl2 has more electronic repulsion than F2.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


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535.

Assertion : cis-3-chloroprop-2-enoic acid is less stable than its trans-form.

Reason : Dipole moment of cis-form is greater than trans- form.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


536.

Assertion : Diamond and graphite do not have the same crystal structure.

Reason : Diamond is crystalline while graphite is amorphous.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


537.

Assertion : ClFhas T-shape structure.

Reason : It has two lone pairs arranged at 180° angle.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false


538.

Assertion : Ois paramagnetic.

Reason : It has one unpaired electron.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


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539.

Decreasing order of bond angle is

  • BeCl2 > NO2 > SO2

  • BeCl2 > SO2 > NO2

  • SO2 > BeCl2 > NO2

  • SO2 > NO2 > BeCl2


A.

BeCl2 > NO2 > SO2

Decreasing order of bond angle is BeCl2 > NO2 > SO2.

Bond angle of BeCl2, NO2 and SO2 is 180°, 132° and 119.5° respectively.


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540.

In the ground state of Cu2+ the number of shells occupied, subshells occupied, filled orbitals and unpaired electrons respectively are

  • 4, 8, 15 0

  • 3, 6, 15, 1

  • 3, 6, 14, 0

  • 4, 7, 14, 2


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