MCQ
Which of the following elements does not show allotropy ?
- ✓Nitrogen
- BAntimony
- CBismuth
- DArsenic
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Product $(P)$ will be
$(A)\,\, HCHO$ $(B) \,\,CH_3COCH_3$
$(C)\,\,PhCOCH_3$ $(D)\,\ PhCOPh$
