1
JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
If the standard molar enthalpy change for combustion of graphite powder is $$-$$2.48 $$\times$$ 102 kJ mol$$-$$1, the amount of heat generated on combustion of 1 g of graphite powder is ___________ kJ. (Nearest integer)
Your input ____
2
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
For a given chemical reaction A $$\to$$ B at 300 K the free energy change is $$-$$49.4 kJ mol$$-$$1 and the enthalpy of reaction is 51.4 kJ mol$$-$$1. The entropy change of the reaction is _____________ JK$$-$$1 mol$$-$$1.
Your input ____
3
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
For the reaction C2H6 $$ \to $$ C2H4 + H2
the reaction enthalpy $$\Delta$$rH = __________ kJ mol$$-$$1. (Round off to the Nearest Integer).
[ Given : Bond enthalpies in kJ mol$$-$$1 : C-C : 347, C = C : 611; C-H : 414, H-H : 436 ]
the reaction enthalpy $$\Delta$$rH = __________ kJ mol$$-$$1. (Round off to the Nearest Integer).
[ Given : Bond enthalpies in kJ mol$$-$$1 : C-C : 347, C = C : 611; C-H : 414, H-H : 436 ]
Your input ____
4
JEE Main 2021 (Online) 17th March Morning Shift
Numerical
+4
-1
The pressure exerted by a non-reactive gaseous mixture of 6.4g of methane and 8.8 g of carbon dioxide in a 10L vessel at 27$$^\circ$$C is __________ kPa. (Round off to the Nearest Integer).
[Assume gases are ideal, R = 8.314 J mol$$-$$1 K$$-$$1
Atomic masses : C : 12.0 u, H : 1.0 u, O : 16.0 u]
[Assume gases are ideal, R = 8.314 J mol$$-$$1 K$$-$$1
Atomic masses : C : 12.0 u, H : 1.0 u, O : 16.0 u]
Your input ____
Questions Asked from Thermodynamics (Numerical)
Number in Brackets after Paper Indicates No. of Questions
JEE Main 2023 (Online) 1st February Evening Shift (1) JEE Main 2022 (Online) 29th July Morning Shift (1) JEE Main 2022 (Online) 28th July Evening Shift (1) JEE Main 2022 (Online) 27th July Evening Shift (1) JEE Main 2022 (Online) 26th July Evening Shift (1) JEE Main 2022 (Online) 26th July Morning Shift (1) JEE Main 2022 (Online) 25th July Evening Shift (1) JEE Main 2022 (Online) 29th June Evening Shift (2) JEE Main 2022 (Online) 29th June Morning Shift (1) JEE Main 2022 (Online) 28th June Evening Shift (1) JEE Main 2022 (Online) 28th June Morning Shift (1) JEE Main 2022 (Online) 27th June Evening Shift (1) JEE Main 2022 (Online) 26th June Evening Shift (1) JEE Main 2022 (Online) 26th June Morning Shift (2) JEE Main 2022 (Online) 25th June Morning Shift (2) JEE Main 2021 (Online) 1st September Evening Shift (1) JEE Main 2021 (Online) 27th August Evening Shift (2) JEE Main 2021 (Online) 27th August Morning Shift (1) JEE Main 2021 (Online) 26th August Evening Shift (1) JEE Main 2021 (Online) 26th August Morning Shift (1) JEE Main 2021 (Online) 27th July Evening Shift (1) JEE Main 2021 (Online) 27th July Morning Shift (1) JEE Main 2021 (Online) 25th July Evening Shift (1) JEE Main 2021 (Online) 25th July Morning Shift (1) JEE Main 2021 (Online) 22th July Evening Shift (1) JEE Main 2021 (Online) 20th July Evening Shift (1) JEE Main 2021 (Online) 18th March Morning Shift (1) JEE Main 2021 (Online) 17th March Morning Shift (2) JEE Main 2021 (Online) 16th March Evening Shift (1) JEE Main 2021 (Online) 26th February Evening Shift (1) JEE Main 2021 (Online) 26th February Morning Shift (2) JEE Main 2021 (Online) 25th February Evening Shift (1) JEE Main 2021 (Online) 25th February Morning Shift (2) JEE Main 2020 (Online) 5th September Evening Slot (1) JEE Main 2020 (Online) 2nd September Evening Slot (1) JEE Main 2020 (Online) 2nd September Morning Slot (1) JEE Main 2020 (Online) 9th January Evening Slot (2) JEE Main 2020 (Online) 8th January Evening Slot (2) JEE Main 2020 (Online) 8th January Morning Slot (1) JEE Main 2020 (Online) 7th January Evening Slot (1)