JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Statement 1: Radium is most abundant s block elements. Statement 2: S block elements are non radioactive in nature.

(A)Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
(B)Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
(C)Statement 1 is True, Statement 2 is False
(D)Statement 1 is False, Statement 2 is TrueCorrect

Answer: (D)

Solution

Radium is in fact the rarest and least abundant of the s-block elements, occurring only in trace amounts in uranium/thorium ores as a radioactive decay product, so Statement 1 ("most abundant") is false. The s-block as a whole, however, is overwhelmingly composed of stable,

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Question ID VK-137672