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For any acid catalysed reaction, AH+→B. half- life period is independent of concentration of A at given pH. At definite concentration of A half- time is 10min at pH = 2 and half- time is 100 min at pH = 3. If the rate law expression of reaction is r = k[A]^x[H+]^y then calculate the [...]

Carbon monoxide reacts with O2 to form CO2: 2CO(g)+O2(g)→2CO2(g) Informations about this reaction are given in the table below. What is the value for the rate constant for the reaction in properly related unit? Select the correct statement(s) : (a) When T gives infinite or Ea gives 0 then k = A June 3, 2021 [...]

In an elementary reaction A(g)+2B(g)→C(g) the initial pressure of A and B are PA=0.40 atm and PB=0.60 atm respectively. After time T, if pressure of C is observed 0.1 atm, then find the value of ri( initial rate of reaction)/rt( rate of reaction after time t). if pressure of C is observed 0.1 atm In [...]

5A→ Product In above reaction, half-life period is directly proportional to initial concentration of reactant. The initial rate of reaction is 400 mol lit^−1 min^−1. 5A→ Product In above reaction half-life period is directly proportional to initial concentration of reactant. The initial rate of reaction is 400 mol lit^−1 min^−1. June 3, 2021 Category: Chapter [...]

The rate of decomposition of NH3(g) at 10 atm on platinum surface is zero order . What is rate of formation (in M min^−1) of H2(g) , if rate constant of reaction 2NH3(g)→N2(g)+3H2(g) is 2.0 M min^−1 ? if rate constant of reaction 2NH3(g)→N2(g)+3H2(g) is 2.0 M min^−1 ? The rate of decomposition of NH3(g) [...]

For the reaction A⇐⇒==K1sec^−1k2sec^−1B following graph is given, k1 = 4×10^−2 sec^−1. Which is/are correct statement (s) (In 2=0.7 , In 8/7 =0.14) For the reaction A⇐⇒==K1sec^−1k2sec^−1B following graph is given In 8/7 =0.14) k1 = 4×10^−2 sec^−1. Which is/are correct statement (s) (In 2=0.7 June 3, 2021 Category: Chapter 7 - Chemical Kinetics and [...]

Identify the true statement(s) (a) A catalyst is chemically unchanged at the end of a reaction Identify the true statement(s) (a) A catalyst is chemically unchanged at the end of a reaction June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,

Consider a reaction A + B gives C, in which both reactants are in the same phase, may be Consider a reaction A + B gives C in which both reactants are in the same phase may be June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) [...]

In the following gaseous phase first order reaction A(g)→2B(g)+C(g) initial pressure was found to be 400 mm of Hg and it changed to 1000 mm of Hg after 20 min. Then In the following gaseous phase first order reaction A(g)→2B(g)+C(g) initial pressure was found to be 400 mm of Hg and it changed to 1000 [...]

Select the correct statement(s) : (a) Every substance that appears in the rate law of reaction must be reactant or product in that reaction Select the correct statement(s) : (a) Every substance that appears in the rate law of reaction must be reactant or product in that reaction June 3, 2021 Category: Chapter 7 - [...]