MCQ
The heat of combustion of $C,S$ and $CS_2$ are $-393.3\,kJ,\, -293.7\,kJ$ and $-1108.76\,kJ$ . What will be the heat of formation of $CS_2$ ? ......$kJ$
- A$+128.06$
- B$+970$
- ✓$+1108.7$
- D$+12$
$=-393.3+2(-293.7)-(-1108.76) $
$=+128.06\, \mathrm{kJ}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.