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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Medium

1 of 1

Analyzing +4 | -1

S-I: The first ionisation energy of

B

is less than that of

{Be}

S-II: The penetration ability of s-electrons is higher than that of p-electrons.

The correct answer is

View answer and explanation

Correct option: A

Both I and II are correct

Option A (Both I and II are correct) is correct because Boron has a lower ionization energy than Beryllium, and s-electrons penetrate better than p-electrons.

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