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Question

Assertion :The maximum oxidation state of chromium in its compounds is +6 Reason: Chromium has only six electrons in ns and (n1)d orbitals

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Since Chromium Cr has an electronic configuration of [Ar]3d54s1,its maximum oxidation state can be +6,reason being it has only six electrons in (n1)d and ns orbitals.

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