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Question

The oganic reaction which proceeds through heterolytic bond cleavage are known as:


A

Free radical reaction

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B

Ionic reactions

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C

Covalent reactions

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D

Polar reactions

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Solution

Heterolytic fission, also known as heterolysis, is a type of bond fission in which a covalent bond between two chemical species is broken in an unequal manner, resulting in the bond pair of electrons being retained by one of the chemical species (while the other species does not retain any of the electrons from the bond pair). When a neutrally charged molecule undergoes heterolytic fission, one of the products will have a positive charge whereas the other product will have a negative charge.
Polar reactions occur when two bonded atoms come apart, one taking more of the shared electrons than the other. They involve heterolytic cleavage. The result is two charged species—one cation and one anion.
Hence Organic reactions which proceed through heterolytic bond cleavage are called polar reactions.


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