JEE Main 2023 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 8 April 2023, Shift 2, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

For complete combustion of ethene,

\mathrm{C_2H_4(g) + 3O_2(g) \rightarrow 2CO_2(g) + 2H_2O(l)}

the amount of heat produced as measured in bomb calorimeter is 1406 kJ mol

^{-1}

at 300K. The minimum value of

T\Delta S

needed to reach equilibrium is (

-

) __________ kJ.(Nearest integer) Given :

R = 8.3\ \mathrm{J\,K^{-1}\,mol^{-1}}

Official answer

1411

NTA final key.

Same idea in other shifts