AIIMS 2019 Chemistry Oxidation States MCQ Question
Consider the molecular structure of CrO₅ is, The oxidation number is calculated as, x + (-2) + 4(-1) = 0, x = 6. Thus, the oxidation number of CrO₅ atom cannot be higher than valence electrons.
Correct Answer
Detailed Explanation
In CrO₅, the chromium (Cr) atom has an oxidation number of +6, which corresponds to its maximum oxidation state due to its six valence electrons. This is consistent with the fact that Cr can exhibit oxidation states ranging from 0 to +6, and +6 is the highest it can achieve. The other options are not applicable as they do not provide any relevant information or alternative answers regarding the oxidation state of chromium in CrO₅. Understanding oxidation states is crucial for predicting the behavior of elements in various chemical reactions and compounds.
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