Chemical Kinetics questions
1373 published questions with worked solutions.
- The integrated rate equation is kt= C_0- C_t. The straight line graph is obtained by plotting ________
- The rate constant and rate of reaction have units that are ________
- Diazonium salt decomposes as C_6H_5N_2^+Cl^- C_6H_5Cl+N_2 at 0°C. The evolution of N_2 becomes two times faster when initial...
- Which of the following stands TRUE for molecularity of a reaction?
- The reaction between NO and Cl_2 written as 2NO+Cl_2 2NOCl is found to follow third order kinetics. Its molecularity is _______
- Energy of activation of an exothermic reaction is _______
- In a hypothetical reaction X Y , the activation energy for the forward and backward reaction are 15 and 9 kJ ,mol^ -1...
- The rate constant (k') of one of the reaction is found to be double that of the rate constant (k'') of another reaction. Then the...
- Collision theory is applicable to ______ reactions
- If x is the fraction of molecules having energy greater than E_a the relation between the two will be given by ______________
- The rate constant is given by the equation k=pze^ -E_a/RT . Which factor should register a decrease for the reaction to proceed...
- What happens when the temperature of a solution is increased from 25°C to 52°C?
- The rate constants at 27°C and 67°C for the dissociation of N_2O_5 are 3.45 10^ -5 and 6.90 10^ -3 respectively. What is the...
- As temperature increases, t_ 1/2 will _______
- In Arrhenius equation, k=Ae^ -E_a/RT ; ′A′ may be called the rate constant at _______
- The half-life of a first order reaction having rate constant k = 1.7 10^ -5 s^ -1 is _____
- Which of the following reaction characteristics change on addition of a catalyst to a reaction at constant temperature? (i)...
- For the reaction N_2(g)+3H_2(g) 2NH_3(g) under certain conditions of temperature and partial pressure of the reactants, the rate...
- In a reversible reaction, the function of the catalyst is NOT to _____
- For the reaction A + B C, it is found that doubling the concentration of A increases the rate by 4 times, and doubling the...
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