MHT CET202527 Apr 2025Evening ShiftChemistryChemical KineticsActual
For the reaction, A+3 B 2 C rate of consumption of A is 1.4 ~mol~ dm ⁻³ minute ⁻¹ . Calculate rate of consumption of B .
Options
- A0.7 ~mol~ dm ⁻³ minute ⁻¹
- B4.2 ~mol~ dm ⁻³ minute ⁻¹
- C2.1 ~mol~ dm ⁻³ minute ⁻¹
- D2.8 ~mol~ dm ⁻³ minute e⁻¹
Correct answer
A. 0.7 ~mol~ dm ⁻³ minute ⁻¹
Step-by-step solution
The stoichiometry of A + 3B 2C relates the rates via Rate = - d[A] dt = - 1 3 d[B] dt . Given - d[A] dt = 1.4 mol dm ⁻³ min ⁻¹ , it follows that - d[B] dt = 3 1.4 = 4.2 mol dm ⁻³ min ⁻¹ . Final answer: B