Q.

Which of the following statement(s) is/are correct?

Moderate

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By Expert Faculty of Sri Chaitanya

Successive IE's are lower.

Less energy is required to remove an electron from a half-filled shell or completely filled shell.

IE1 of Al

IE1 of Be>IE1 of B

answer is 3,4.

(Detailed Solution Below)

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Detailed Solution

successive ionisation energies are always highermore energy is required to remove electron from half filled and full filled orbitals

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