MCQ
In the periodic table going down in fluorine group
- AReactivity will increase
- BElectronegativity will increase
- ✓Ionic radius will increase
- DIonization potential will increase
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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. . . . . . .