MCQ
When phosphine is passed through aqueous solution of copper sulphate, the product produced is
- A$Cu{(OH)_2}$
- ✓$C{u_3}{P_2}$
- C${\left[ {Cu{{(P{H_3})}_4}} \right]^{2 + }}$
- D${\left[ {Cu{{(P{H_3})}_2}} \right]^{2 + }}$
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$CO + \frac{1}{2}{O_2} \to C{O_2};\,\Delta H = - 24\,kJ$ The heat of formation of $C{O_2}$ is .....$kJ$