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Which of the following statements is not correct for the catalyst? (a) It catalyses the forward and backward reaction to the same extent.
03
Jun
Which of the following statements is not correct for the catalyst? (a) It catalyses the forward and backward reaction to the same extent. Which of the following statements is not correct for the catalyst? (a) It catalyses the forward and backward reaction to the same extent. June 3, 2021 Category: Chemistry , NCERT Exemplar Class [...]
A first order reaction is 50% completed in 1.26×10^14s. How much time would it take for 100% completion ?
03
Jun
A first order reaction is 50% completed in 1.26×10^14s. How much time would it take for 100% completion ? A first order reaction is 50% completed in 1.26×10^14s. How much time would it take for 100% completion ? June 3, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Which of the following statements is incorrect about the collision theory of chemical reaction ? (i) It considers reacting molecules or atoms to be hard spheres and ignores their structural features
03
Jun
Which of the following statements is incorrect about the collision theory of chemical reaction ? (i) It considers reacting molecules or atoms to be hard spheres and ignores their structural features Which of the following statements is incorrect about the collision theory of chemical reaction ? (i) It considers reacting molecules or atoms to be [...]
Rate law for the reaction A+2B→C, is found to be Rate = k [A] [B]. If the concentration of reactant B is doubled keeping the concentration of A constant, the value of rate constant will be
03
Jun
Rate law for the reaction A+2B→C, is found to be Rate = k [A] [B]. If the concentration of reactant B is doubled keeping the concentration of A constant, the value of rate constant will be is found to be Rate = k [A] [B]. If the concentration of reactant B is doubled keeping the [...]
Which of the following graph represents exothermic reaction ?
03
Jun
Which of the following graph represents exothermic reaction ? Which of the following graph represents exothermic reaction ? June 3, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Which of the following expression is correct for the rate of reaction given below ? 5Br-(aq)+BrO-3(aq)+6H+(aq)→3Br2(aq)+3H2O(l) .
03
Jun
Which of the following expression is correct for the rate of reaction given below ? 5Br-(aq)+BrO-3(aq)+6H+(aq)→3Br2(aq)+3H2O(l) . Which of the following expression is correct for the rate of reaction given below ? 5Br-(aq)+BrO-3(aq)+6H+(aq)→3Br2(aq)+3H2O(l) . June 3, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,
Which of the following statements is correct ? (A) The rate of reaction decreases with passage of time as the concentration of reactants decreases.
03
Jun
Which of the following statements is correct ? (A) The rate of reaction decreases with passage of time as the concentration of reactants decreases. Which of the following statements is correct ? (A) The rate of reaction decreases with passage of time as the concentration of reactants decreases. June 3, 2021 Category: Chemistry , NCERT [...]
Which of the following statements is not correct about order of a reaction ? A) The order of a reaction can be fractional number.
03
Jun
Which of the following statements is not correct about order of a reaction ? A) The order of a reaction can be fractional number. Which of the following statements is not correct about order of a reaction ? A) The order of a reaction can be fractional number. June 3, 2021 Category: Chemistry , NCERT [...]
A graph of volume of hydrogen released vs time for the reaction between zinc and dil. HCl is given in figure. On the basis of this mark the correct option.
03
Jun
A graph of volume of hydrogen released vs time for the reaction between zinc and dil. HCl is given in figure. On the basis of this mark the correct option. A graph of volume of hydrogen released vs time for the reaction between zinc and dil. HCl is given in figure. On the basis of [...]
Consider the Arrhenius equation given below and mark the correct option. k=Ae^−Ea/RT
03
Jun
Consider the Arrhenius equation given below and mark the correct option. k=Ae^−Ea/RT Consider the Arrhenius equation given below and mark the correct option. k=Ae^−Ea/RT June 3, 2021 Category: Chemistry , NCERT Exemplar Class 11 ,