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Question
Which of the following element does not show inert pair effect?
Which of the following element does not show inert pair effect?
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Solution
The correct option is D C
The inert pair effect is the tendency of the electrons in the outermost atomic s orbital to remain unionized or unshared in compounds of post-transition metals. The term inert pair effect is often used in relation to the increasing stability of oxidation states that are two less than the group valency for the heavier elements of groups 13, 14, 15 and 16. The inert pair effect is shown by Tl, Pb and Bi due to which, the lower oxidation state is more stable than the higher oxidation state. But C, being higher up in the periodic table, does not show inert pair effect.
The inert pair effect is the tendency of the electrons in the outermost atomic s orbital to remain unionized or unshared in compounds of post-transition metals. The term inert pair effect is often used in relation to the increasing stability of oxidation states that are two less than the group valency for the heavier elements of groups 13, 14, 15 and 16. The inert pair effect is shown by Tl, Pb and Bi due to which, the lower oxidation state is more stable than the higher oxidation state. But C, being higher up in the periodic table, does not show inert pair effect.
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