MCQ
Correct formula of potassium ferrocyanide is
- ✓${K_4}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$
- B${K_2}\left[ {Fe{{\left( {CN} \right)}_6}} \right]{H_2}O$
- C${K_3}\left[ {Fe{{\left( {CN} \right)}_6}} \right]$
- DNone of these
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${\Delta _r}{G^o}$ (in $kJ\,mol^{-1}$) $=120-\frac {3}{8}\,T$
The major component of the reaction mixture at $T$ is
$B.E. (H-H) = x_1 ; B.E. (O = O) = x_2$ ;
$B.E. (O -H) = x_3$
Heat of vaporisation of water $= x_4$ then $\Delta {H_f}$ [heat of formation of liquid water] is