For a chemical reaction to be non-spontaneous at any temperature, which of the following conditions must be met?

Hi, the given question has some missing part. Complete question is: " For a chemical reaction to be non-spontaneous at any temperature, which of the following conditions must be met?

A. ΔS° > 0, ΔH° > 0

B. ΔS° > 0, ΔH° < 0

C. ΔS° < 0, ΔH° < 0

D. ΔS° < 0, ΔH° > 0

E. All reactions are spontaneous at some temperature."

Option (D) is correct.

Explanation:

We know that,

Where T represents temperature in kelvin scale. Hence it is always positive.

For a non-spontaneous reaction, should be positive.

If then at any T value.

Hence for any value of T if both and are greater than zero.

So, option (D) is correct.

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