Q.

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

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a

Inert gas configuration

b

Octet

c

Duplet

d

Quartet

answer is A.

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Detailed Solution

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 nearest noble gas atom.

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