MCQ
Isomerism in saturated hydrocarbons is due to
- AChange in the valence of carbon
- BChange in the ratio of elements in compounds
- ✓Formation of branches in the chain of $C$ atoms
- DFormation of double bond
$\mathop {C - C - C - C}\limits_{{\rm{straight chain}}} $ $\mathop {C - \mathop C\limits_{\mathop |\limits_C } - C}\limits_{{\rm{Branched chain}}} $
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$2P(s) + 3C{l_2}(g)\,\, \to \,\,2PC{l_3}(l);\,\Delta H = - 151.8\,kcal$
$PC{l_3}(l) + C{l_2}(g)\,\, \to \,\,PC{l_5}(s);\,\,\Delta H = - 32.8\,kcal$
......$kcal$