Chemical Kinetics questions
1373 published questions with worked solutions.
- For a fourth order reaction, what is the unit of K? [Guj CET 2009]
- The rate law for a reaction between the substances A and B is given by rate =k[A]^n[B]^m. On doubling the concentration of A and...
- The rate constant for a first order reaction whose half-life is 480 s is [Manipal 2006]
- For a first order reaction A P, the temperature (T) dependent rate constant (k) was found to follow the equation k=- 2000 T +6.0....
- If k_1= rate constant at temperature T_1 and k_2= rate constant at temperature T_2 for a first order reaction, then which of the...
- A reactant (A) forms two products: A k_1 B, Activation energy E_ a_1 A k_2 C, Activation energy E_ a_2 If E_ a_2 =2E_ a_1 , then...
- According to the Arrhenius equation, the rate constant (k) is related to temperature (T) as [VITEEE 2007]
- N_2(g)+3H_2(g) 2NH_3(g)+22 ,kcal. The activation energy for the forward reaction is 50 kcal. What is the activation energy for...
- The reason for almost doubling the rate of the reaction on increasing the temperature of the reaction system by 10°C is [J & K...
- The velocity constant of a reaction at 290 K was found to be 3.2 10^ -3 . At 300 K, it will be [MP PET 2004]
- The activation energy for most of the reactions is approximately 50 ,kJ ,mol^ -1 . The value of the temperature coefficient for...
- The rate of reaction is doubled when temperature increases by 10°C. If temperature is increased by 100°C, then the rate of...
- The minimum energy required for the reacting molecules to undergo reaction is [Jamia Millia Islamia 2006, UP SEE 2006]
- Chemical reactions with very high E_a values are generally [Jamia Millia Islamia 2008]
- The activation energy of a reaction at a given temperature is found to be 2.303 ,RT ,J ,mol^ -1 . The ratio of rate constant to...
- Arrhenius equation is [BCECE 2006]
- The velocity constant of a reaction at 290 K was found to be 3.2 10^ -3 ,s^ -1 . When the temperature is raised to 310 K, it will...
- The energies of activation for forward and reverse reactions for A_2+B_2 2AB are 180 kJ mol^ -1 and 200 kJ mol^ -1 respectively....
- By increase in temperature by 10 K, the rate of reaction becomes double. How many times will the rate of reaction be if the...
- The rate of reaction increases with temperature due to [OJEE 2008]
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