JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The discovery of which of the following group of elements gave death blow to the Newland’s law of octaves?

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Correct option: A

Inert gases

Option A is correct because the discovery of inert gases disrupted Newland's law of octaves, as they introduced elements that didn't fit the pattern.

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\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

\mathrm{F}^{-}