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  As with all processes under constant pressure and constant temperature, dissolving a solution into solution will occur only if ΔG total<0. ΔGsol=ΔHsol−TΔSsol <0 For dissolving solids in liquids, ΔSsol>0, but for dissolving gases solutes, the entropy of solution is negative (ΔSsol<0) since the entropy of the gas phase solute is appreciably greater than the entropy of that solute in solution. Consequently, the only way that ΔGsol<0 for a dissolving a gas in solution is if the solution process is exothermic (i.e., ΔHsol<0). This occurs due to the enthalpy differences from making and breaking intermolecular interactions in the solvent and solution. There are three basic steps involved in dissolving a solute from a condensed state (or a non-ideal gas) into a solution each with a corresponding enthalpy change. Steps involved in Dissolving of a solute in a solvent Dissolution can be viewed as occurring in three steps: 1. Breaking solute-solute attractions (endothermic)...

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Benzene and styrene both are aromatic compound and have special chemical and industrial properties.   Here we are going to discuss their acid-base properties .  Benzene have electron density cloud above and below the Internuclear axis. Due to this benzene acts as the nucleophile.            On treating with acid, pi bonds are get Delocalised and carbocation is formed.   Due to Delocalisation of pi bonds, carbocation Or conjugate  acid become stable .  Similarly,in styrene ,benzylic carbocation  also become more stable due to delocalisation of pi electrons or bond.  But carbocation formed in this case is  benzylic cation which is more stable than benzene cation .  Extra stability in benzylic cation is due to greater resonating structures- Now question is that , out of  benzene and styrene   , which one is more acidic?    Basic properties of_ of a molecule is determined by st...