The GATE Grind

GATE Chemical Reaction Engineering: Single and multiple reactions in ideal reactors – Previous Year Questions

7 GATE previous year questions on Single and multiple reactions in ideal reactors (Chemical Reaction Engineering, Chemical Engineering) with answers and explanations, from every paper.

  1. GATE 2022 CH Q63 (2 marks, Numerical answer) – An elementary irreversible liquid-phase reaction, 2A B, is carried out under isothermal conditions in a 1 m3 ideal plug flow reactor (PFR) as shown in…
  2. GATE 2023 CH Q59 (2 marks, Numerical answer) – A unimolecular, irreversible liquid-phase reaction A P was carried out in an ideal batch reactor at temperature T. The rate of the reaction (-r A)…
  3. GATE 2024 CH Q21 (1 mark, Multiple choice) – Two parallel first-order liquid phase reactions A k 1 B and A k 2 C are carried out in a well-mixed isothermal batch reactor. The initial…
  4. GATE 2024 CH Q45 (2 marks, Multiple choice) – A first-order liquid phase reaction A B is carried out in two isothermal plug flow reactors (PFRs) of volume 1 m3 each, connected in series. The feed…
  5. GATE 2025 CH Q42 (2 marks, Multiple choice) – A zero-order gas phase reaction A B with rate (-r A) = k = 100 mol/(L min) is carried out in a mixed flow reactor of volume 1 L. Pure A is fed to the…
  6. GATE 2025 CH Q58 (2 marks, Numerical answer) – The reaction A products with reaction rate, (-r A) = kC A3, occurs in an isothermal PFR operating at steady state. The conversion (X) at two axial…
  7. GATE 2026 CH Q42 (2 marks, Multiple choice) – Consider the following homogeneous isothermal liquid-phase parallel reactions carried out in three reactor configurations (having identical volumes…