Question

Assertion : pi bonds are weaker than σ bonds.
Reason : pi bonds are formed by the overlapping of p-p orbitals along their axes.

Please elaborate on the answer

Answer 1

Answer:

sigma bond

1. Overlapping is along

the axis

2. Overlapping is

maximum

3. Due to maximum overlap the bond is strong

л bond

Verified by Toppr

Overlapping is on side

wise

Overlapping is

minimum

Due to minimum overlap, the bond is weak

4. s-orbital can participate

л bond

Verified by Toppr

Overlapping is on side

wise

Overlapping is

minimum

Due to minimum overlap, the bond is weak

hope it's clear

Answer 2

The Assertion is true and Reason is false.

TYPES OF COVALENT BONDS -

• Sigma and pie are two types of covalent bonds formed between atoms.
• These bonds are formed by the overlapping of the orbitals.
• Sigma involves head-to-head overlapping and pie involves lateral orbital overlapping.
• During the formation of the pie bond, the orbitals lie perpendicular to each other and the overlapping takes place perpendicular to the internuclear axis.
• The pie bond is weaker than the sigma bond due to the less efficient electron share between the atoms.
• The electron density is less in side ways overlap and therefore, the nucleus does not effectively attract the surrounding electrons.