Q.

Which has the highest standard molar entropy?

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a

H2O(l)

b

SO2(g)

c

O2(g)

d

PbO2(s)

answer is B.

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Detailed Solution

As the number of degree of freedom increses, molar entropy also increses.

Gases form of sulphur dioxide has the highest number of degree of freedom, so its standard molar entropy is also highest amoung all.


 

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