Assertion :According to Mendeleev's periodic law; "The properties of elements are the periodic a function of their atomic numbers". Reason: Mendeleev's periodic law could explain the phenomenon of anomalous pairs.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Assertion and reason both are wrong. Because in Mendeleev's periodic law, properties of elements are the periodic function of their atomic mass and Mendeleev's periodic law could not explain the phenomenon of anomalous pairs.

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(e) Assertion is incorrect but reason is correct.

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Assertion :According to Mendeleev's periodic law; "The properties of elements are the periodic a function of their atomic numbers". Reason: Mendeleev's periodic law could explain the phenomenon of anomalous pairs.

The correct option is D Both Assertion and Reason are incorrectAssertion and reason both are wrong. Because in Mendeleev's periodic law, properties of elements are the periodic function of their atomic mass and Mendeleev's periodic law could not explain the phenomenon of anomalous pairs.

The correct option is D Both Assertion and Reason are incorrect
Assertion and reason both are wrong. Because in Mendeleev's periodic law, properties of elements are the periodic function of their atomic mass and Mendeleev's periodic law could not explain the phenomenon of anomalous pairs.