JEE Main Chemistry question

Statement 1: Shielding effect increases as we go down the group. Statement 2: The more electrons there are in the penultimate shell, the more the shielding.

(A)Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1Correct
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
(C)Statement 1 is True, Statement 2 is False
(D)Statement 1 is False, Statement 2 is True

Answer: (A)

Solution

Moving down a group, additional complete inner shells are added, so the number of electrons in the penultimate shell increases; these inner electrons shield (screen) the valence electrons from the full nuclear

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Question ID VK-133314