1.

The compound which could not act both as oxidising as well as reducing agent is [IIT Screening 1991]

A. \[S{{O}_{2}}\]
B. \[Mn{{O}_{2}}\]
C. \[A{{l}_{2}}{{O}_{3}}\]
D. \[CrO\]
Answer» D. \[CrO\]


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