MHT CET2019Morning ShiftChemistryChemical KineticsActual
For the elementary reaction, 3 H 2 g + N 2 g → 2 N H 3 g identify the correct relation among the following relations:
Options
- A- 3 2 d H 2 g d t = d N H 3 g d t
- B- 2 3 d H 2 g d t = d N H 3 g d t
- Cd N H 3 g d t = - 1 3 d H 2 g d t
- D- d H 2 g d t = d N H 3 g d t
Correct answer
B. - 2 3 d H 2 g d t = d N H 3 g d t
Step-by-step solution
Key Idea • Rate of disappearance = D e c r a s e i n c o n c e n t r a t i o n T i m e t a k e n • Rate of appearance = I n c r e a s e i n c o n c e n t r a t i o n T i m e t a k e n For elementary reaction, 3 H 2 g + N 2 g → 2 N H 3 g Rate of reaction = - 1 3 d H 1 d t = - d N 2 g d t = 1 2 N H 3 g d t From the given options, B is correct. - 2 3 d H 2 g d t = d N H 3 g d t