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(D) The reaction involves two steps: $(1)$ Protonation of the alkene to form a carbocation intermediate,and $(2)$ Loss of $H^{+}$ to form a more stabl

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(D) The reaction involves two steps: $(1)$ Protonation of the alkene to form a carbocation intermediate,and $(2)$ Loss of $H^{+}$ to form a more stable alkene product.Since the reaction proceeds through an intermediate,the energy profile must have two peaks (representing two transition states) and a local minimum (representing the intermediate).The formation of a more stable alkene from a less stable one (or simply the overall transformation) is exothermic,meaning the final product has lower potential energy than the starting material.Comparing the options,the profile that shows two steps,a stable intermediate,and an overall exothermic process (final energy < initial energy) is the correct representation.

List-$I$	List-$II$
$A.$ Butane $\to$ Isobutane	$(a).$ Cracking
$B.$ Butane $\to$ Lower hydrocarbons	$(b).$ Isomerisation
$C.$ $n-$Heptane $\to$ Toluene	$(c).$ Reed reaction
$D.$ Propane $\to CH_3CH_2CH_2SO_2Cl$	$(d).$ Aromatization

Consider the following reaction in which the intermediate carbocation loses $H^{+}$ to give the final product:
Which of the following energy profiles best represents the overall reaction?

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Consider the following reaction in which the intermediate carbocation loses $H^{+}$ to give the final product:Which of the following energy profiles best represents the overall reaction?