MCQ
In acidic medium required number of moles of ferrous oxalate for reduction of $2.5\, moles$ of $KMnO_4$ is
- A$2.5$
- ✓$4.167$
- C$1.5$
- D$6.25$
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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. . . . . . .

$C{H_3} - \mathop C\limits^{\mathop {||}\limits^O } - O - C{H_2} - \mathop C\limits^{\mathop {||}\limits^O } - C{H_2} - N{H_2}$