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Question

According to Sidgwick’s effective atomic number rule the central metal acquires :


A
inert gas configuration
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B
octet
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C
duplet
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D
quartet
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Solution

The correct option is D inert gas configuration
According to Sidgwicks effective atomic number rule the central metal acquires inert gas configuration.
As per this rule, a metal ion continues to accept electron pairs from the ligands till the total number of electrons present around the metal ion in the complex becomes equal to the atomic number of the next rate gas atom.

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