Recent questions tagged half life of reaction

+3 votes

1 answer

If the rate of a reaction is expressed by rate = K[A]^2 [B], then order of reaction will be-

asked Apr 4, 2019 in Chemistry by kratos

+2 votes

1 answer

The reaction of hydrogen and iodine monochloride is given as: H2(g) + 2ICl(g) → 2HCl(g) + I2(*)

asked Apr 3, 2019 in Class 12 by kratos

+1 vote

1 answer

A first order gas phase reaction : A2B2 → 2A(g) + 2B(g)

asked Apr 1, 2019 in Class 12 by kratos

+3 votes

1 answer

Derive an expression to calculate time required for completion of zero

asked Mar 26, 2019 in Class 12 by kratos

+2 votes

1 answer

Show that half-life of first order reaction is independent of initial concentration.

asked Mar 16, 2019 in Class 12 by kratos

+2 votes

1 answer

For a reaction R → B half-life (t1/2) is observed to be independent of the initial concentration of reactants . what is the order of reaction ?

asked Mar 15, 2019 in Class 12 by kratos

+2 votes

1 answer

Half-life for a first order reaction is 693 *. Calculate the time required for 90% completion of this reaction.

asked Mar 13, 2019 in Class 12 by kratos

+1 vote

1 answer

For a first order reaction, show that time required for 99% completion is twice the time required for completion of 90% reaction.

asked Mar 12, 2019 in Class 12 by kratos

+2 votes

1 answer

Derive the integrated rate equation for the rate constant of a first order reaction.

asked Mar 11, 2019 in Class 12 by kratos

+2 votes

1 answer

The reaction A + B → products is first order in each of the reactants.

asked Mar 7, 2019 in JEE by kratos

+1 vote

1 answer

The following data were obtained during the first order thermal decomposition of N2O5(g) at constant volume

asked Mar 5, 2019 in Class 12 by kratos

+3 votes

1 answer

The rate constant for the first order decomposition of H2O2 is given by the following

asked Mar 1, 2019 in Chemistry by kratos

+2 votes

1 answer

(i) Explain why H2 and O2 do not react at room temperature.

asked Mar 1, 2019 in Class 12 by kratos

+1 vote

1 answer

(i) What is the order of the reaction whose rate constant has same units as the rate of reaction ?

asked Feb 27, 2019 in Class 12 by kratos

+1 vote

1 answer

The thermal decomposition of HCO2H is a first order reaction with a rate constant of 2.4 × 10^–3 *^–1 at a certain temperature.

asked Feb 27, 2019 in JEE by kratos

+3 votes

1 answer

For a general reaction A ⎯→ B, plot of concentration of A vs time is given in Fig. 4.3.

asked Feb 25, 2019 in JEE by kratos

+3 votes

1 answer

For the reaction A → B, the rate of reaction becomes twenty seven times when the concentration of A

asked Feb 25, 2019 in Class 12 by kratos

+3 votes

1 answer

Which of the following is correct? a. A catalyst lowers the activation energy barrier for the forward and reverse reaction

asked Feb 24, 2019 in Class 12 by kratos

+1 vote

1 answer

The half life of a first order reaction A → B, is given as - (a) t1/2 = 0.693 K (b) t1/2 = 0.693 In K (c) t1/2 = 0.693/K (d) t1/2 log2/K

asked Feb 20, 2019 in Class 12 by kratos

+1 vote

1 answer

The following results have been obtained during the kinetic studies of the reaction. 2A + B → C + D

asked Feb 15, 2019 in Class 12 by kratos

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