Question

Difference between sigma and pi bond with example. ​

Answer 1

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❤.SIGMA BOND ❤

⭐. Sigma bond is a covalent bond formed by the axial overlap of orbitals

⭐. Sigma bond is a strong bond

⭐. It allows free rotation of atoms

⭐. sigma bond determines the shape of the molecules.

⭐. It forms independently

⭐. There can be only 1 sigma bond between 2 atoms

❤. PI BOND ❤

⭐. Pi bond is a covalent bond formed by the side wise overlapping of orbitals

⭐. pi bond is a weak bond

⭐. It restricts the free rotation of atoms

⭐. The shape of the molecules is not influnced bt pi bonds

⭐. pi bonds always follows sigma bonds

⭐. There can be 1 or 2 pi bonds between two atoms

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Answer 2

Difference Between Sigma and Pi bond

➖ Sigma Bond

⏺️Pi Bond

➖During sigma bond formation overlapping orbitals can be either one hybrid and one pure orbital or two pure orbitals and two hybrid orbitals.

⏺️During pi bond formation overlapping orbitals are always two unhybridized orbitals.

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➖Sigma bond exists independently and allows free rotation.

⏺️Pi-bond always exists along with sigma bond and the rotation is restricted.

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➖Sigma bonds are stronger bonds.

⏺️Pi bonds are usually less powerful compared to sigma bonds.

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➖Sigma bonds are formed first when atoms interact.

⏺️Pi bonds are formed after the formation of sigma bonds.

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➖During the bonding between two atoms,Only one sigma bond is formed.

⏺️Here two pi bonds can exist between two atoms.

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➖Sigma bond has cylindrical charge symmetry around the bond axis.

⏺️No symmetry exists in pi bonds.

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➖Atoms with sigma bonds can be highly reactive.

⏺️Atoms with pi bonds are less reactive in nature.

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