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Fission of a Covalent Bond: Homolytic vs Heterolytic Cleavage Video Lecture | Chemistry Class 11 - NEET

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FAQs on Fission of a Covalent Bond: Homolytic vs Heterolytic Cleavage Video Lecture - Chemistry Class 11 - NEET

1. What is fission of a covalent bond?
Ans. The fission of a covalent bond refers to the breaking of a chemical bond between two atoms in a covalent molecule. It can occur in two ways: homolytic cleavage and heterolytic cleavage.
2. What is homolytic cleavage of a covalent bond?
Ans. Homolytic cleavage of a covalent bond is a type of bond fission where the shared pair of electrons between the two atoms is split equally, resulting in the formation of two radicals. Each atom retains one electron from the original bond, leading to the formation of uncharged species.
3. What is heterolytic cleavage of a covalent bond?
Ans. Heterolytic cleavage of a covalent bond is a type of bond fission where the shared pair of electrons between the two atoms is split unequally, resulting in the formation of ions. One atom retains both electrons from the bond, becoming negatively charged (anion), while the other atom becomes positively charged (cation).
4. What are the factors that determine whether homolytic or heterolytic cleavage will occur?
Ans. The factors that determine whether homolytic or heterolytic cleavage will occur include the nature of the bond, the presence of polarizing agents or external forces, and the stability of the resulting species. If the bond is relatively weak and the atoms are not significantly different in electronegativity, homolytic cleavage is more likely. On the other hand, if the bond is strong or there is a significant difference in electronegativity, heterolytic cleavage may occur.
5. What are the implications of fission of a covalent bond in chemical reactions?
Ans. The fission of a covalent bond plays a crucial role in various chemical reactions. Homolytic cleavage can lead to the formation of highly reactive radicals, which are involved in radical chain reactions. Heterolytic cleavage can result in the formation of ions, which can further participate in ionic reactions. Understanding the type of bond fission involved helps in predicting the products and mechanisms of chemical reactions.
195 videos|337 docs|190 tests
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