The dipole moment is minimum in

• NH₃

• NF₃

• SO₂

• BF₃

${\mathrm{S}}_2{\mathrm{O}}_8^{2-}$ have

• S-S bond

• S-O bridge

• O-O bridge

• All S-O bond lengths are same.

N-N bond length is minimum in

• N₂O

• N₂O₃

• N₂O₄

• N₂O₅

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.

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.

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.

Assertion : ClF₃ has 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

Assertion : O₂ is 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.

539.

Decreasing order of bond angle is

• BeCl₂ > NO₂ > SO₂

• BeCl₂ > SO₂ > NO₂

• SO₂ > BeCl₂ > NO₂

• SO₂ > NO₂ > BeCl₂

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