MCQ
When succinic acid is heated, product formed is
- ✓Succinic anhydride
- BAcetic acid
- C$C{O_2}$ and methane
- DPropionic acid

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The heat of hydration of $\mathrm{CuSO}_4$ to $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ is $-\mathrm{xkJ}$. The value of $\mathrm{x}$ is. . . . . . .
$C{H_3}C{H_2}OH\xrightarrow{{P + {I_2}}}A\xrightarrow[{ether}]{{Mg}} $ $B\xrightarrow{{HCHO}}C\xrightarrow{{{H_2}O}}D$