JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 – 2019
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In a first order of reaction the concentration of reactant decreases from 800 mol/dm^3 to 50 mol/dm^3 in 2×10^4 sec. The rate constant of reaction in sec^−1 is
02
Jun
In a first order of reaction the concentration of reactant decreases from 800 mol/dm^3 to 50 mol/dm^3 in 2×10^4 sec. The rate constant of reaction in sec^−1 is In a first order of reaction the concentration of reactant decreases from 800 mol/dm^3 to 50 mol/dm^3 in 2×10^4 sec. The rate constant of reaction in sec^−1 [...]
A follows first order reaction. (A)→Product The concentration of A changes form 0.1M to 0.025 M in 40 min. Find the rate of reaction of A when the concentration of A is 0.01 M.
02
Jun
A follows first order reaction. (A)→Product The concentration of A changes form 0.1M to 0.025 M in 40 min. Find the rate of reaction of A when the concentration of A is 0.01 M. A follows first order reaction. (A)→Product The concentration of A changes form 0.1M to 0.025 M in 40 min. Find the [...]
Which one of the following statement(s) is incorrect about order of reaction ? (a) order of reaction is determined experimentally
02
Jun
Which one of the following statement(s) is incorrect about order of reaction ? (a) order of reaction is determined experimentally Which one of the following statement(s) is incorrect about order of reaction ? (a) order of reaction is determined experimentally June 2, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , JEE Adv and [...]
Consider the reaction aG + bH→ Products When the concentration of both the reactants G and H is doubled, the rate increases by eight times. However, when the concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The over all order of reaction is
02
Jun
Consider the reaction aG + bH→ Products When the concentration of both the reactants G and H is doubled, the rate increases by eight times. However, when the concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The over all order of reaction is Consider the reaction aG + [...]
Under the same reaction conditions, the initial concentration of 1.386 mol dm^-3 of a substance becomes half in 40s and 20s through first order and zero order kinetics, respectively. The ratio (k1/k0) of the rate constants for first order (k1) and zero order (k0) of the reaction is.
02
Jun
Under the same reaction conditions, the initial concentration of 1.386 mol dm^-3 of a substance becomes half in 40s and 20s through first order and zero order kinetics, respectively. The ratio (k1/k0) of the rate constants for first order (k1) and zero order (k0) of the reaction is. respectively. The ratio (k1/k0) of the rate [...]
For a first order reaction A→P , the temperature (T) dependent rate constant (k) was found to follow the equation log k = (2000)/T+6.0 . The pre-exponential factor A and the activation energy Ea , respectively , are
02
Jun
For a first order reaction A→P , the temperature (T) dependent rate constant (k) was found to follow the equation log k = (2000)/T+6.0 . The pre-exponential factor A and the activation energy Ea , respectively , are are For a first order reaction A→P respectively the temperature (T) dependent rate constant (k) was found [...]
Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that follows the Arrhenius equation is
02
Jun
Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that follows the Arrhenius equation is Plots showing the variation of the rate constant (k) with temperature (T) are given below. The plot that follows the Arrhenius equation is June 2, 2021 Category: Chapter 17 - Chemical Kinetics [...]
The rate of a reaction doubles when its temperature changes from 300K to 310K. Activation energy of such a reaction will be (R=8.314JK^−1mol^−1 and log 2=0.301)
02
Jun
The rate of a reaction doubles when its temperature changes from 300K to 310K. Activation energy of such a reaction will be (R=8.314JK^−1mol^−1 and log 2=0.301) The rate of a reaction doubles when its temperature changes from 300K to 310K. Activation energy of such a reaction will be (R=8.314JK^−1mol^−1 and log 2=0.301) June 2, 2021 [...]
In the reaction, P+Q→R+S the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentration of Q varies with reaction time as shown in the figure. The overall order of the reaction is
02
Jun
In the reaction, P+Q→R+S the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentration of Q varies with reaction time as shown in the figure. The overall order of the reaction is Higher order (>3) reactions are rare due to In the reaction June 2, [...]
For the non-stoichiometric reaction, 2A + B → C + D, the following kinetic data were obtained in three separate experiments, all at 298 K. The rate law for the formation of C is
02
Jun
For the non-stoichiometric reaction, 2A + B → C + D, the following kinetic data were obtained in three separate experiments, all at 298 K. The rate law for the formation of C is 2A + B → C + D all at 298 K. The rate law for the formation of C is For [...]