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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 [...]
Rate constant k=2.303 min^−1 for a particular reaction. The initial concentration of the reactant is 1 mol/litre then rate of reaction after 1 minute is:
03
Jun
Rate constant k=2.303 min^−1 for a particular reaction. The initial concentration of the reactant is 1 mol/litre then rate of reaction after 1 minute is: Rate constant k=2.303 min^−1 for a particular reaction. The initial concentration of the reactant is 1 mol/litre then rate of reaction after 1 minute is: June 3, 2021 Category: Chapter [...]
For the reaction 3A(g) k→ B(g) + C(g), k is 10^4 L/mol. min. If [A] = 0.5M then the value of – d[A]/dt(in Ms^-1) is :
03
Jun
For the reaction 3A(g) k→ B(g) + C(g), k is 10^4 L/mol. min. If [A] = 0.5M then the value of – d[A]/dt(in Ms^-1) is : For the reaction 3A(g) k→ B(g) + C(g) k is 10^4 L/mol. min. If [A] = 0.5M then the value of - d[A]/dt(in Ms^-1) is : June 3, 2021 [...]
The rate constant for the first order reaction whose half life is 480 sec, is :
03
Jun
The rate constant for the first order reaction whose half life is 480 sec, is : is The rate constant for the first order reaction whose half life is 480 sec June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
In the presence of acid the initial concentration of cane-sugar was reduced from 0.20 to 0.10 Molar 5 hrs and from 0.2 to 0.05 M in 10 hrs. The reaction is of.
03
Jun
In the presence of acid the initial concentration of cane-sugar was reduced from 0.20 to 0.10 Molar 5 hrs and from 0.2 to 0.05 M in 10 hrs. The reaction is of. In the presence of acid the initial concentration of cane-sugar was reduced from 0.20 to 0.10 Molar 5 hrs and from 0.2 to [...]