# Chemical Kinetics-Differential and Integral Forms of Zero and First Order Reactions (NEET 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. | k/a | |

b. | a/2k | |

c. | 2k/a | |

d. | a/k |

## 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. | 0.0329 | |

b. | 3.29 | |

c. | 0.0293 | |

d. | 0.329 |

## 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. |
| |

c. |
| |

d. | Either A or B |

## Question number: 4

» Chemical Kinetics » Differential and Integral Forms of Zero and First Order Reactions

### Question

The half-life of first order reaction having rate constant k = 1.7×10^{-5} sec^{-1} is?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 1.8 hrs | |

b. | 11.3 hrs | |

c. | 9.7 hrs | |

d. | 12.1 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. | 45.5% | |

b. | 68.2% | |

c. | 18.3% | |

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. | 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: 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. |