This chapter is currently out of syllabus
1
JEE Main 2021 (Online) 25th February Morning Shift
Numerical
+4
-1
Out of Syllabus
A car tyre is filled with nitrogen gas at 35 psi at 27$$^\circ$$C. It will burst if pressure exceeds 40 psi. The temperature in $$^\circ$$C at which the car tyre will burst is _________. (Rounded off to the nearest integer)
2
JEE Main 2021 (Online) 24th February Evening Shift
Numerical
+4
-1
Out of Syllabus
The volume occupied by 4.75 g of acetylene gas at 50$$^\circ$$C and 740 mmHg pressure is __________ L. (Rounded off to the nearest integer)

[Given R = 0.0826 L atm K$$-$$1 mol$$-$$1]
3
JEE Main 2020 (Online) 6th September Morning Slot
Numerical
+4
-0
Out of Syllabus
A spherical balloon of radius 3 cm containing helium gas has
a pressure of 48 $$\times$$ 10–3 bar. At the same temperature, the pressure, of a spherical balloon of radius 12 cm containing the
same amount of gas will be ________ $$\times$$ 10–6 bar.
4
JEE Main 2020 (Online) 8th January Evening Slot
Numerical
+4
-0
Out of Syllabus
NaClO3 is used, even in spacecrafts, to produce O2. The daily consumption of pure O2 by a person is 492L at 1 atm, 300K. How much amount of NaClO3, in grams, is required to produce O2 for the daily consumption of a person at 1 atm, 300 K?
NaClO3(s) + Fe(s) $$\to$$ O2(g) + NaCl(s) + FeO(s)
R = 0.082 L atm mol–1 K–1