1.For the reaction R → P, the concentration of a reactant changes from 0.03 M to 0.02 M is 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.
1717 Views
2.In a reaction 2A → Products, the concentration of A decreases from 0.5 mol to 0.4 mol L–1 in 10 minutes. Calculate the rate during this interval.
2088 Views
3.For a reaction, A + B → Product; the rate law is given by, r = k[ A]1/2 [B]2. What is the order of reaction?
1504 Views
4.The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y?
972 Views
Advertisement
5.A first order reaction has a rate constant 1.15 x 10–3 s–1. How long will 5 g of this reactant take to reduce to 3 g?
6.Time required to decompose SO2 Cl2 to half its initial amount is 60 minutes. If the decomposition is a first order reaction, calculate the rate constant of the reaction.
Given that half life, t1/2 = 60 min = 60 x 60 = 3600 sec (1 min = 60 sec) The formula of half life for the a 1st order
reaction,For a first order reaction.
227 Views
Advertisement
7.What will be the effect of temperature on rate constant?
177 Views
Long Answer Type
8.The rate of the chemical reaction doubles for an increase of 10 k in absolute temperature from 298 K. Calculate Ea.
281 Views
Advertisement
Short Answer Type
9.
The activation energy for the reaction 2HI (g) → H2 + I2(g) is 209.5 kJ mol–1 at 581 k. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy?
249 Views
10.For the reaction A B, the rate of reaction becomes twenty seven times when the concentration of A is increased three times. What is the order of the reaction?
Short Answer Type
Long Answer Type
Switch
