MCQ
The principal quantum number of an atom is related to the:
- ✓orientation of the orbital in space
- Borbital angular momentum
- Cspin angular momentum
- Dsize of the orbital
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${C_6}{H_6}(l)\, + \,\frac{{15}}{2}\,{O_2}(g)\, \to \,6\,C{O_2}(g)\, + \,3{H_2}O\,(g)$
Signs of $\Delta H,\,\Delta S$ and $\Delta G$ for the above reaction will be
