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1
JEE Main 2022 (Online) 29th June Morning Shift
Numerical
+4
-1
English
Hindi

Geraniol, a volatile organic compound, is a component of rose oil. The density of the vapour is 0.46 gL$$-$$1 at 257$$^\circ$$C and 100 mm Hg. The molar mass of geraniol is ____________ g mol$$-$$1. (Nearest Integer)

[Given : R = 0.082 L atm K$$-$$1 mol$$-$$1]

2
JEE Main 2022 (Online) 28th June Evening Shift
Numerical
+4
-1
English
Hindi

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)

3
JEE Main 2022 (Online) 26th June Morning Shift
Numerical
+4
-1
English
Hindi
Bengali

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)

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

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]