MCQ
Which gives $C{H_4}$ when treated with water
- ASilicon carbide
- BCalcium carbide
- ✓Aluminium carbide
- DIron carbide
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$A(g) + B(g) \to C(g)$ $\Delta U=\,-\,3\,Kcal$
$\Delta S=\,-\,10\,cal/K$
value of $\Delta G$ will be ......$cal$
$(i)$ $Zn|Zn^{2+}\,(1\,M)||Cu^{2+}\,(1\,M)|Cu$
$(ii)$ $Zn|Zn^{2+}\,(0.1\,M)||Cu^{2+}\,(1\,M)|Cu$
$(iii)$ $Zn|Zn^{2+}\,(1\,M)||Cu^{2+}\,(0.1\,M)|Cu$
$(iv)$ $Zn|Zn^{2+}(0.1\,M)||Cu^{2+}\,(0.1\,M)|Cu$

$(i)$ ${C_4}{H_5}N{H_2}$ $(ii)$ $C{H_3}N{H_2}$
$(iii)$ ${(C{H_3})_2}NH$ $ (iv)$ ${(C{H_3})_3}N$