MCQ
In presence of moisture, $S{O_2}$ can
- AAct as oxidant
- ✓Lose electron
- CGain electron
- DNot act as reductant
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$(A)$ Na and excess of $NH _3$
$(B)$ $K$ and excess of $O _2$
$(C)$ $Cu$ and dilute $HNO _3$
$(D)$ $O _2$ and $2$-ethylanthraquinol
