1
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1

100 g of an ideal gas is kept in a cylinder of 416 L volume at 27$$^\circ$$C under 1.5 bar pressure. The molar mass of the gas is __________ g mol$$-$$1. (Nearest integer)

(Given : R = 0.083 L bar K$$-$$1 mol$$-$$1)

2
JEE Main 2022 (Online) 26th June Morning Shift
Numerical
+4
-1

On complete combustion 0.30 g of an organic compound gave 0.20 g of carbon dioxide and 0.10 g of water. The percentage of carbon in the given organic compound is _____________. (Nearest integer)

3
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1

A rigid nitrogen tank stored inside a laboratory has a pressure of 30 atm at 06:00 am when the temperature is 27$$^\circ$$C. At 03:00 pm, when the temperature is 45$$^\circ$$, the pressure in the tank will be _________ atm. [nearest integer]

4
JEE Main 2022 (Online) 24th June Evening Shift
Numerical
+4
-1

At 300 K, a sample of 3.0 g of gas A occupies the same volume as 0.2 g of hydrogen at 200 K at the same pressure. The molar mass of gas A is ____________ g mol$$-$$1. (nearest integer) Assume that the behaviour of gases as ideal.

(Given : The molar mass of hydrogen (H2) gas is 2.0 g mol$$-$$1.)

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