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JEE Main 31 August 2021, Shift 2, Chemistry Q58

Question 58 of 90 in this shift, Chemistry question 28 of 30, Section B.

\mathrm{CH_4}

is adsorbed on 1 g charcoal at 0°C following the Freundlich adsorption isotherm. 10.0 mL of

\mathrm{CH_4}

is adsorbed at 100 mm of Hg, whereas 15.0 mL is adsorbed at 200 mm of Hg. The volume of

\mathrm{CH_4}

adsorbed at 300 mm of Hg is

10^x

mL. The value of

x

is __________

\times 10^{-2}

. (Nearest integer) [Use

\log_{10}2 = 0.3010

\log_{10}3 = 0.4771

]

Official answer

128

NTA final key.

Same idea in other shifts