AIIMS 2002 Chemistry Transition Metals Assertion Reason Question
Assertion : Cuprous ion (Cu⁺) is colourless whereas cupric ion (Cu²⁺) is blue in the aqueous solution.
Reason : Cuprous ion (Cu⁺) has unpaired electrons while cupric ion (Cu²⁺) does not.
If both the assertion and reason are true and the reason is a correct explanation of the assertion.
If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
If the assertion is true but the reason is false.
If both the assertion and reason are false.
Correct Answer
Detailed Explanation
Cuprous ions (Cu+) is colourless because it has no unpaired electrons in the 3d sub-shell.
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