MCQ
The bond order is not three for
- ✓$N_2^ + $
- B$O_2^{2 + }$
- C${N_2}$
- D$N{O^ + }$
=$\frac{1}{2}[9 - 4] = \frac{5}{2} = 2.5$.
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$C + 2S \to CS_2 ; \,\Delta H_f^o = +117.0\,kJ\,mol^{-1} .......(1)$
$C + O_2 \to CO_2 ; \,\Delta H_f^o = -393\,kJ\,mol^{-1} .......(2)$
$S + O_2 \to SO_2 ; \, \Delta H_f^o = -297\,kJ\,mol^{-1} .......(3)$
The heat of reaction of
$CS_2 + 3O_2 \to CO_2 + 2SO_2$ is
.....$kJ\,mol^{-1}$