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 |
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| b. | 2 and 3 |
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| c. | 2 and 4 |
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| d. | 1 and 2 |
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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 |
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| b. | Decreases linearly with time |
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| c. | Increases linearly with time |
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| d. | Question does not provide sufficient data or is vague |
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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. |  Which Plot Explains First Order Reactions – Choice A Understanding the correct first order reaction |
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| b. |  Which Plot Explains First Order Reactions – Choice B Understanding the correct first order reaction |
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| c. |  Which Plot Explains First Order Reactions – Choice C Understanding the correct first order reaction |
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| d. |  Which Plot Explains First Order Reactions – Choice D Understanding the correct first order reaction |
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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% |
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| b. | 75% |
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| c. | 99.9% |
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| d. | 25% |
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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 |
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| b. | 0.32M |
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| c. | 0.5 M |
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| d. | 0.06M |
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