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Chemistry Classification of Elements and Periodicity Statement Based Single Correct MCQ
Published on: August 14, 2026

Given below are two statements:

Statement I: Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement II: The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

choose the most appropriate from the options given below:

A
Statement I is true but Statement II is false.
B
Both Statement I and Statement II are true
C
Statement I is false but Statement II is true.
D
Both Statement I and Statement II are false.

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Text Solution

Verified by Experts
The correct answer is:
C

Chemical reactivity of the elements is high at the two extremes (i.e., group 1 and group 17) and the lowest in the centre. The nature of oxides formed by group, 1elements is basic while that of group 17 elements is acidic.

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