Chapter 7 – Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2)
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At 300 K the half-life of a sample of a gaseous compound initially at 1 atm is 100 sec. When the pressure is 0.5 atm the half-life is 50 sec. The order of reaction is
03
Jun
At 300 K the half-life of a sample of a gaseous compound initially at 1 atm is 100 sec. When the pressure is 0.5 atm the half-life is 50 sec. The order of reaction is At 300 K the half-life of a sample of a gaseous compound initially at 1 atm is 100 sec. When [...]
The value of t0.875/t0.50 for nth order reaction is
03
Jun
The value of t0.875/t0.50 for nth order reaction is The value of t0.875/t0.50 for nth order reaction is June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
For a particular reaction with initial conc. Of the reactants as a1 and a2, the half-life period are t1 and t2 respectively. The order of the reaction (n) is given by :
03
Jun
For a particular reaction with initial conc. Of the reactants as a1 and a2, the half-life period are t1 and t2 respectively. The order of the reaction (n) is given by : For a particular reaction with initial conc. Of the reactants as a1 and a2 the half-life period are t1 and t2 respectively. The [...]
The decomposition of azo methane, at certain temperature according to the equation (CH3)3N2→C2H5+N2 is a first order reaction. After 40 minutes from the start, the total pressure developed is found to be 350mmHg in place of initial pressure 200 mm Hg of azo methane . The value of rate constant k is
03
Jun
The decomposition of azo methane, at certain temperature according to the equation (CH3)3N2→C2H5+N2 is a first order reaction. After 40 minutes from the start, the total pressure developed is found to be 350mmHg in place of initial pressure 200 mm Hg of azo methane . The value of rate constant k is at certain temperature [...]
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at certain temperature according to the equation (CH3)3N2→C2H5+N2 is a first order reaction. After 40 minutes from the start ,
The decomposition of azo methane ,
the total pressure developed is found to be 350mmHg in place of initial pressure 200 mm Hg of azo methane . The value of rate constant k is ,
For the first order homogeneous gaseous reaction A→2B+C, the initial pressure was Pi while total pressure at time ‘t’ was Pt. The right expression for the rate constant k in terms of Pi, Pt & t is :
03
Jun
For the first order homogeneous gaseous reaction A→2B+C, the initial pressure was Pi while total pressure at time ‘t’ was Pt. The right expression for the rate constant k in terms of Pi, Pt & t is : For the first order homogeneous gaseous reaction A→2B+C Pt & t is : the initial pressure was [...]
The half-life of first order decomposition of NH4NO3 is 2.10 hr at 288 K temperature NH4NO3(aq)→N2O(g)+2H2O(l). If 6.2 of NH4NO3 is allowed to decompose, the required for NH4NO3 to decompose 90 % is :
03
Jun
The half-life of first order decomposition of NH4NO3 is 2.10 hr at 288 K temperature NH4NO3(aq)→N2O(g)+2H2O(l). If 6.2 of NH4NO3 is allowed to decompose, the required for NH4NO3 to decompose 90 % is : The half-life of first order decomposition of NH4NO3 is 2.10 hr at 288 K temperature NH4NO3(aq)→N2O(g)+2H2O(l). If 6.2 of NH4NO3 is [...]
For the reaction (i) A gives ki P (ii) B gives kii Q, following observation is made. Calculate ki/kii , where ki and kii and rate constant for the respective reaction.
03
Jun
For the reaction (i) A gives ki P (ii) B gives kii Q, following observation is made. Calculate ki/kii , where ki and kii and rate constant for the respective reaction. following observation is made. Calculate ki/kii For the reaction (i) A gives ki P (ii) B gives kii Q where ki and kii and [...]
Consider the following first order competing reactions : X + K1 → A + B and Y + → K2 C + D if 50% of the reaction of X was completed when 96% of the reaction of Y was completed, the ratio of their rate constants (K2/K1) is
03
Jun
Consider the following first order competing reactions : X + K1 → A + B and Y + → K2 C + D if 50% of the reaction of X was completed when 96% of the reaction of Y was completed, the ratio of their rate constants (K2/K1) is Consider the following first order competing [...]
Which of the following represent the expression for 3/4th life of first order reaction.
03
Jun
Which of the following represent the expression for 3/4th life of first order reaction. Which of the following represent the expression for 3/4th life of first order reaction. June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
99% of a first order reaction, was completed in 32 minute. When will 99.9% of the reaction complete?
03
Jun
99% of a first order reaction, was completed in 32 minute. When will 99.9% of the reaction complete? 99% of a first order reaction was completed in 32 minute. When will 99.9% of the reaction complete? June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N [...]