MCQ
Amide group is present in
- ALipids
- BCarbohydrates
- CAmino acids
- ✓Proteins
${( - NH - \mathop C\limits_{\mathop |\limits_R } H - \underbrace {\mathop C\limits_{\mathop {||}\limits_O } - NH - \mathop C\limits_{\mathop |\limits_R } H}_{\,\,\,{\text{Amino or}}\,\,\,{\text{peptide bond}}} - \mathop C\limits_{\mathop {||}\limits_O } - )_n}$
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then rate determining step will be
(Rounded off to the nearest integer)
(Mass of $Li ^{3+}=8.3$ mass of proton)
$(i)$ $6C(s) + 3{H_2}(g) \to {C_6}{H_6}(l);\,\Delta H = + 45.9\,kJ$
$(ii)$ ${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l);\,\Delta H = - 285.9\,kJ$
$(iii)$ $C(s) + {O_2}(g) \to C{O_2}(g);\,\Delta H = - 393.5\,kJ$
........$kJ$

