Chemical Kinetics [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 11 - 16 of 103
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Question 11
Appeared in Year: 2018
Question MCQ▾
In an order reaction amount of the substance left after n half-lives and average life of a order reaction respectively are
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. | Both a. and b. are correct |
Question 12
Question MCQ▾
Which of the following processes does not involve a catalyst?
Choices
Choice (4) | Response | |
---|---|---|
a. | Ostwald process | |
b. | Haber՚s process | |
c. | Contact process | |
d. | Thermite process |
Question 13
Question MCQ▾
Which of the following statements about a catalyst is true?
Choices
Choice (4) | Response | |
---|---|---|
a. | It lowers the energy of activation | |
b. | It does not alter the equilibrium | |
c. | The catalyst altered during the reaction is regenerated | |
d. | All a., b. and c. are correct |
Question 14
Question MCQ▾
In the reaction acts as a
Choices
Choice (4) | Response | |
---|---|---|
a. | Promotor | |
b. | Positive catalyst | |
c. | Poison | |
d. | Auto catalyst |
Question 15
Question MCQ▾
Which of the following statements are not true for a catalyst?
Choices
Choice (4) | Response | |
---|---|---|
a. | It decreases the energy of the products | |
b. | It increases the energy of the reactants | |
c. | It decreases the energy of the reactants | |
d. | All a., b. and c. are correct |
Question 16
Question MCQ▾
According to Arrhenius theory, the rate is directly proportional to the number of effective collisions , here Z is?
Choices
Choice (4) | Response | |
---|---|---|
a. | Collision fraction | |
b. | Collision frequency | |
c. | Collision coefficient | |
d. | Question does not provide sufficient data or is vague |