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JEE Main 2021 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 25 February 2021, Shift 1, Chemistry Q34

Question 34 of 90 in this shift, Chemistry question 4 of 30, Section A.

In Freundlich adsorption isotherm at moderate pressure, the extent of adsorption

\left(\frac{x}{m}\right)

is directly proportional to

\mathrm{P^x}

. The value of

x

is :

(1)1
(2)zero
(3) $\infty$
(4) $\frac{1}{n}$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Surface Chemistry
Topic: Adsorption
Idea tested: Freundlich Isotherm Equation

Same idea in other shifts

Asked 2× in all

31 Aug 2021, Shift 2 · Q58 $\mathrm{CH_4}$ is adsorbed on 1 g charcoal at 0°C following the Freundlich adsorption isotherm. 10.0 mL of $\mathrm{CH_4}$ is adsorbed at…MediumNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.