MCQ
The compound buta $-1,2-$ diene has
- Aonly $sp\,-$ hybridized carbon atom
- Bonly $sp^2\,-$ hybridized carbon atom
- Cboth $sp-$ and $sp^2\,-$ hybridized carbon atoms
- ✓$sp, sp^2-$ and $sp^3\,-$ hybridized carbon atoms
$\mathop {C{H_2}}\limits_{s{p^2}} = \mathop C\limits_{sp} = \mathop {CH}\limits_{s{p^2}} - \mathop {C{H_3}}\limits_{s{p^3}} $
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$\Delta {H^o}\, = \, +234.1\,\,kJ$
$C(s)\, + {O_2}(g)\, \to \,\,C{O_2}(g)$
Use these equation and $\Delta H^o$ value to calculate $\Delta H^o$ for this reaction:
$4Fe(s) + 3O_2(g) \to 2Fe_2O_3(s)$
.....$kJ$