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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

Assertion : Atomic size along a period decreases.

Reason :

Z_{\text {eff.}}

in a period decreases.

View answer and explanation

Correct option: C

If Assertion is True but the Reason is False

Option C is correct because atomic size decreases along a period due to increasing effective nuclear charge, but the reason states that effective nuclear charge decreases, which is false.

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