Rate of reaction and factors affecting it
- Which one is an example of heterogenous catalysis? Answer: 1. Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron. Key idea: In heterogeneous... 1
- An increase in the concentration of the reactants of a reaction leads to change in : Answer: 4. collision frequency Raising reactant concentration puts more molecules in the same volume, so collisions per second (collision fr... 1
- For the chemical reactionN_2(g) + 3H_2(g) ⇌ 2NH_3(g)the correct option is : Answer: 3. -d[N₂]/dt = 1/2d[NH₃]/dt Rate of reaction: divide the rate of change of each species by its stoichiometric coefficient (negative... 1