MCQ
The energy that opposes dissolution of a solvent is
- AHydration energy
- BLattice energy
- CInternal energy
- ✓Bond energy
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$H _{2} F _{2( g )} \rightarrow H _{2( g )}+ F _{2( g )}$
$\Delta U =-59.6\,kJ\,mol ^{-1} \text { at } 27^{\circ}\,C$.
The enthalpy change for the above reaction is (-) $kJ mol ^{-1}$ [nearest integer] Given : $R =8.314\,JK ^{-1}\,mol ^{-1}$
$2KMn{O_4} + 2KOH \to 2{K_2}Mn{O_4} + {H_2}O + O$
Therefore its equivalent weight will be
