1
JEE Main 2022 (Online) 27th June Evening Shift
Numerical
+4
-1

If the initial pressure of a gas is 0.03 atm, the mass of the gas adsorbed per gram of the adsorbent is ___________ $$\times$$ 10$$-$$2 g.

2
JEE Main 2022 (Online) 24th June Evening Shift
Numerical
+4
-1

When 200 mL of 0.2 M acetic acid is shaken with 0.6 g of wood charcoal, the final concentration of acetic acid after adsorption is 0.1 M. The mass of acetic acid adsorbed per gram of carbon is ____________ g.

3
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
CH4 is absorbed on 1g charcoal at 0$$^\circ$$C following the Freundlich adsorpiton isotherm 10.0 mL of CH4 is adsorbed at 100 mm of Hg, whereas 15.0 mL is adsorbed at 200 mm of Hg. The volume of CH4 adsorbed at 300 mm of Hg is 10x mL. The value of x is _________ $$\times$$ 10-2.

(Nearest integer) [Use log102 = 0.3010, log103 = 0.4771]
4
JEE Main 2021 (Online) 27th July Morning Shift
Numerical
+4
-1
CO2 gas adsorbs on charcoal following Freundlich adsorption isotherm. For a given amount of charcoal, the mass of CO2 adsorbed becomes 64 times when the pressure of CO2 is doubled. The value of n in the Freundlich isotherm equation is ____________ $$\times$$ 10$$-$$2. (Round off to the Nearest Integer)
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