MCQ
The $IUPAC$ name of (figure) is


- ✓Ethanoic propanoic anhydride
- BPropanoic ethanoic anhydride
- C$1-$ Ethanoyloxypropanone
- D$3-$ Ethanoyloxypropan $-3-$ one

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$R - \mathop {\mathop {C\,N{H_2} \to RC{H_2}N{H_2}}\limits^{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} }\limits^{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} $
Among the following, the option representing change the freezing point is
(IMAGE)
