Among F, Cl, Br and I the lowest Ionisation potential will be of
Among F, Cl, Br and I the lowest Ionisation potential will be of
A. Fluorine
B. Chlorine
C. Bromine
D. Iodine
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Correct Answer - D
Ionisation potential decreases down a group. Thus out of F ,Cl, Br and I, I will have the lowest ionisation potential.
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