Chemical Engineering > GATE 2025 > Catalyst Deactivation
Choose the option that correctly matches the items in Group 1 with those in Group 2.
Group 1
(P) Coking
(Q) Poisoning
(R) Sintering
Group 2
(I) Prolonged exposure of catalyst to high temperature
(II) Deposition of carbonaceous material on catalyst surface
(III) Irreversible chemisorption of molecules on active sites of catalyst
Group 1
(P) Coking
(Q) Poisoning
(R) Sintering
Group 2
(I) Prolonged exposure of catalyst to high temperature
(II) Deposition of carbonaceous material on catalyst surface
(III) Irreversible chemisorption of molecules on active sites of catalyst
Correct : b
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