JEE Main Chemistry question

In the halogen family, as the atomic number increases, which trend occurs?

(A)Ionic radius decreases
(B)Ionization potential decreasesCorrect
(C)Covalent character in decreases (where metal and halogen)
(D)None of the above

Answer: (B)

Solution

Going down the halogen group, atomic/ionic size increases (not decreases) due to additional electron shells, so (A) is false. Ionization potential decreases down the group because the outer electron is progressively farther

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Question ID VK-146722