For a chemical reaction A + B ⇌ C + D (Δ r H^Θ = 80 kJ mol⁻¹) the entropy change Δ r S^Θ depends on the temperature T (in K) as Δ r S^Θ = 2T (J K⁻¹mol⁻¹). Minimum temperature at which it will become spontaneous is _ _ _ _ _ K. (Integer)

Chemical Thermodynamics: JEE Main 2021 Chemistry question

JEE Main 2021 · 26 Feb, Morning shift · Q22

JEE Main 202126 Feb, Morning shiftChemistryMediumChemical Thermodynamics84× since 2002

For a chemical reaction A + B ⇌ C + D (

{\Delta _r}{H^\Theta }

= 80 kJ mol^

-

1) the entropy change

{\Delta _r}{S^\Theta }

depends on the temperature T (in K) as

{\Delta _r}{S^\Theta }

= 2T (J K^

-

1mol^

-

1). Minimum temperature at which it will become spontaneous is ___________ K. (Integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Chemical Thermodynamics Question with Answer (26 Feb Morning shift, Q22) | JEE Arc