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Adsorption: physisorption vs chemisorption, Freundlich and Langmuir isotherms
JEE Main level
Numerical answer
Difficulty 2 of 3
sc024
A gas follows the Langmuir isotherm with
K
=
0.35
kP
a
−
1
. Find the fractional coverage
θ
at
p
=
12
kPa
(two decimal places).
Numerical answer type, tolerance 0.01.
Answer: 0.8077
K
p
=
0.35
×
12
=
4.2
.
θ
=
4.2/
(
1
+
4.2
)
=
0.8077
≈
0.81
.
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