MCQ
In ${K_4}[Fe{\left( {CN} \right)_6}]$
- A$(CN) $ are linked with primary valency
- ✓$(CN)$ are linked with secondary valency
- C$K$ are linked with secondary valency
- D$K$ are linked with non-ionic valency
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${C_6}{H_6}\left( \ell \right) + \frac{{15}}{2}{O_2} \to 6C{O_2}\left( g \right) + 3{H_2}O\left( \ell \right)\,\,\,\,\Delta H = - 3271\,kJ$
What is the value of $\Delta U$ for combustion of $1.5\, mol$ benzene at $27\,^oC$ ? .....$kJ$

Product $(A)$ in above reaction is
