Explain the methods of fission of electron in covalent bonds.
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a covalent bond is formed when a pair of e- is shared by two atoms.breaking that bond (fission)occur when the two atoms making up the covalent bond break apart. !!!!
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Explanation:
A covalent bond is formed by sharing of a pair of electrons by two atoms. The bond can be broken by two methods -
a. Heterolytic fission (heterolysis)
b. Homolytic fission (homolysis)
a. Heterolytic - If the bond breaks in such a way that each atom is given one of the shared pair's electrons, it is called homolytic fission. Half-headed arrows show the single electron movement.
b. Homolytic - The cleavage is called heterolytic fission when a covalent bond breaks in such a manner that both the shared pair electrons stay with one portion.
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