Assertion (A): Position of isotopes is not justified in Mendeleev’s periodic table.
Reason (R): For the three isotopes of hydrogen have not been given separate places, in the periodic table.

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Assertion is True, Reason is True and Reason is correct explanation of Assertion

Assertion is True, Reason is False

Assertion is False, Reason is True

Assertion is True, Reason is True but Reason is not correct explanation of Assertion

answer is A.

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Position of Isotopes is not justified in Mendeleev’s periodic table.

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