Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Metallic character decreases and non-metallic character increases on moving from left to right in a period. Reason (R): It is due to increase in ionisation enthalpy and decrease in electron gain enthalpy, when one moves from left to right in a period. In the light of the above statements, choose the most appropriate answer from the options given below:

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Chemistry · Classification of Elements and Periodicity in Properties

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

(A) is true but (R) is false.

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Answer 1

(A) is true but (R) is false.

Answer 2

Both (A) and (R) are correct but (R) is not the correct explanation of (A).

Answer 3

Both (A) and (R) are correct and (R) is the correct explanation of (A).

Answer 4

(A) is false but (R) is true.

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