Chemical KineticsDifferential and Integral Forms of Zero and First Order Reactions [NEET (NTA)National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 1  7 of 16
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Question number: 1
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
A substance reacts with initial concentration of a mol/dm^{3} according to zero order kinetics. The time it takes for the completion of the reaction is (k = rate constant)?
Choices
Choice (4)  Response  

a.  2k/a  
b.  a/k  
c.  a/2k  
d.  k/a 
Question number: 2
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
90 % of the first order reaction is completed in 70 minutes. The velocity constant of the reaction is?
Choices
Choice (4)  Response  

a.  0.329  
b.  0.0329  
c.  3.29  
d.  0.0293 
Question number: 3
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
Which of the following equation is true regarding zero order reaction?
Choices
Choice (4)  Response  

a. 
 
b.  Either A or B  
c. 
 
d. 

Question number: 4
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
The halflife of first order reaction having rate constant k = 1.7×10^{5} sec^{1} is?
Choices
Choice (4)  Response  

a.  11.3 hrs  
b.  9.7 hrs  
c.  12.1 hrs  
d.  1.8 hrs 
Question number: 5
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
The first order reaction has half life of 14.5 hrs. What percentage of the reactant will remain after 24 hrs?
Choices
Choice (4)  Response  

a.  18.3%  
b.  68.2%  
c.  45.5%  
d.  31.8% 
Question number: 6
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
According to the zero order reaction the concentration of the reactant?
Choices
Choice (4)  Response  

a.  Decreases linearly with time  
b.  Remains the same  
c.  Increases linearly with time  
d.  None of the above 
Question number: 7
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
Which of the following plot represent the first order reaction?
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 