801.

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.

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

CaO and NaCl have the same crystal structure and approximately the same ionic radii. If U is the lattice energy ofNaCI, the approximate lattice energy of CaO is

• U/2

• U

• 2U

• 4U

During the formation of a chemical bond :

• electron-electron repulsion becomes more than the nucleus-electron attraction

• energy of the system does not change

• energy increases

• energy decreases

The number of $\mathrm{\sigma }$- and $\mathrm{\pi }$-bonds present in pent-4-ene-1-yne is

• 10, 3

• 4, 9

• 3, 10

• 9, 4

Assertion : H₂S is less acidic than H₂Te.

Reason : Te has larger, radius than S.

• 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.