NEET (NTA)National Eligibility cum Entrance Test (Medical) Chemistry: Questions 547  551 of 1195
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Question number: 547
» Chemical Kinetics » Factors Affecting the Rate of Reactions
Question
The temperature coefficient of most of the reactions lies between?
Choices
Choice (4)  Response  

a.  3 and 4 

b.  2 and 3 

c.  2 and 4 

d.  1 and 2 

Question number: 548
» 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.  Remains the same 

b.  Decreases linearly with time 

c.  Increases linearly with time 

d.  Question does not provide sufficient data or is vague 

Question number: 549
» 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. 

Question number: 550
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
Half life of a first order reaction is 10 min. What percentage of reaction will be completed in 100 min?
Choices
Choice (4)  Response  

a.  80% 

b.  75% 

c.  99.9% 

d.  25% 

Question number: 551
» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions
Question
A certain zero order reaction has k = 0.025 M s^{1} for the disappearance of A. What will be the concentration of A after 15 seconds if the initial concentration is 0.5M?
Choices
Choice (4)  Response  

a.  0.12M 

b.  0.32M 

c.  0.5 M 

d.  0.06M 
