Assertion: bond angle is less than the normal tetrahedral bond angle. Reason: Lone pair-lone pair repulsion decreases bond angle.

Question

Assertion: bond angle is less than the normal tetrahedral bond angle. Reason: Lone pair-lone pair repulsion decreases bond angle. (A) If both assertion and reason are true and reason is the correct explanation of assertion. (B) If both assertion and reason are true but reason is not the correct explanation of assertion. (C) If assertion is true but reason is false. (D) If both assertion and reason are false.

Tardigrade Admin · Accepted Answer

The bond angle in alcohols is slightly less than the tetrahedral angle 109°28' due to repulsion between the unshared electron pairs of oxygen.

Q. Assertion: bond angle is less than the normal tetrahedral bond angle.
Reason: Lone pair-lone pair repulsion decreases bond 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.

The bond angle in alcohols is slightly less than the tetrahedral angle
109 $^{\circ}$ 28 $^{'}$ due to repulsion between the unshared electron pairs of oxygen.

Q. Assertion: bond angle is less than the normal tetrahedral bond angle. Reason: Lone pair-lone pair repulsion decreases bond angle.