Question

The maximum possible number of electron exchanges in d5 configuration is? a)1 b)10 c)5 d)4

Answer 1

Explanation:

answer is b) 10

becuz - in d sub shell it has 5 orbital and therefore

electron = 2×m

electron = 2×5

electron = 10

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Answer 2

:The maximum possible number of electron exchanges in the d5 configuration is:

the d5 configuration is:(b) 10

the d5 configuration is:(b) 10Justification for the answer:

• Exchange pair of electrons:

Exchange pair of electrons: When two or more electrons having the same spin interchanges the position to degenerate the orbitals of its subshell. The released during the exchange is called the exchange energy.

• Stability:

Stability: After the degeneration of orbitals, the half-filled orbitals and the ones which are filled completely are the most stable.

• Every electronic configuration has different exchange energy as well as a different number of pairs of electrons exchanged.
• A principle called the Aufbau principle states that lower orbitals are filled before than that of the higher ones.
• According to the principle the formula for finding the number of electrons exchanged in a configuration is:
• n×(n-1)/2 [where n is the number of shells]

By applying the formula to the d5 configuration, we get

n×(n+1)/2

=> 5×(5-1)/2

=> 5×4/2

=> 20/2

=> 10

Hence, it is proved that the maximum number of electrons exchanged in the d5 configuration is 10.