Questions
The correct thermodynamic conditions for the spontaneous reaction at all temperatures is
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a
ΔH<0 and ΔS>0
b
ΔH<0 and ΔS<0
c
ΔH<0 and ΔS=0
d
ΔH>0 and ΔS<0
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Correct option is A
ΔG=ΔH-TΔS If ΔH<0 and ΔS>0ΔG=(-ve)-T(+ve) then at all temperatures, ΔG=-ve, spontaneous reaction. If ΔH<0 and ΔS=0ΔG=(-ve)-T(0)=-ve at all temperatures. Option 3 can also be condition for spontaneity.Similar Questions
Which of the following conditions regarding a chemical process ensures its spontaneity at all temperature?
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