A) $ \Delta H _{mix} $
B) $ \Delta S _{mix} $
C) $ \Delta V _{mix} $
D) $ \Delta P=P _{observed}-,P _{Raoult} $
योग्य उत्तर: B
आदर्श द्रावणासाठी ..(i)
दोन घटक मिसळल्यावर आकारमानात कोणताही बदल होत नाही
म्हणजेच, $ \Delta V _{mixing}=0 $ ..(ii)
मिसळल्यावर आकारमानात कोणताही बदल होत नाही $ \Delta H _{mixing}=0 $
म्हणून, $ \Delta S _{mix}\ne 0 $ आदर्श द्रावण.
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