MCQ
The $IUPAC$ name of (Figure) is


- AEthane dioicanhydride
- ✓Butane dioicanhydride
- CButanoic anhydride
- DEthanoic anhydride

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$(A)$ Freezing of water to ice at $0^{\circ} C$
$(B)$ Freezing of water to ice at $-10^{\circ} C$
$(C)$ $N _{2}( g )+3 H _{2}( g ) \rightarrow 2 NH _{3}( g )$
$(D)$ Adsorption of $CO ( g )$ and lead surface
$(E)$ Dissolution of $NaCl$ in water
