11.29. What do you understand by (a) inert pair effect (b) allotropy and (c) catenation?
11.29. What do you understand by (a) inert pair effect (b) allotropy and (c) catenation?
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1 Answer
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(a) Inert pair effect: When the pair of electrons in the valence shell does not take part in bond formation, then this effect is called as inert pair effect.
(b)Allotropy: It is the property of the element by which an element can exist in two or more forms which have same chemical properties but different physical properties due to their structures.
(c)Catenation: The tendency to link with one another through covalent bonds to form chains and rings. This property is called catenation.
For example, carbon forms chains with (C-C) single bonds and also with multiple bonds (C = C or C = C).
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