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The first ionisation potential of Al is ...

The first ionisation potential of `Al` is smaller than that of `Mg` because:

A

Atomic size of Al`gt`Mg

B

Atomic size of Al`lt`Mg

C

I.E. in Al pertains to the removal of p-electron which is relatively easy

D

unpredictable.

Text Solution

Verified by Experts

The correct Answer is:
C
the order of penetration effect is sgtpgtdgtf
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