Verified Solution • 2025–26 Session moderate

QNEET-2016-Ch-1131: NEET 2016 Chemistry - Class 12 NEET-2016-Ch-1131 Solution: Which one of the following is incorrect for ideal solution? \(…

Which one of the following is incorrect for ideal solution? ΔHmix=0\Delta H_{mix} = 0 ΔUmix=0\Delta U_{mix} = 0 Pobs=Pcalculated by Raoult′s lawP_{obs} = P_{calculated\ by\ Raoult's\ law} ΔGmix=0\Delta G_{mix} = 0

Multiple Choice Options

  • A ΔHmix=0\Delta {H_{mix}} = 0 _ H mi x _ = 0
  • B ΔUmix=0\Delta {U_{mix}} = 0 _ U mi x _ = 0
  • C ΔP=Pobs−P\Delta P = {P_{obs}} - P _ P = P o b s _ _ P calculated by Raoult's law
  • D ΔGmix=0\Delta {G_{mix}} = 0 _ G mi x _ = 0

Step-by-Step Verified Solution

For ideal solution, we have _ H mix = 0, _ V mix = 0 Now U mix = �H mix � P _ V mix _ _ U mix = 0 Also, for an ideal solution, p A = x A p A o , p B = x B p B o _ _ p = p observed � p calculated = 0 _ G mix = _ H mix � T _ S mix For an ideal solution, _ S mix � 0 _ _ G mix � 0

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