Physical Chemistry-Chemical Kinetics [CSIR (Council of Scientific & Industrial Research) Chemical Sciences]: Questions 26 - 30 of 55
Choose Programs:
📹 Video Course 2024 (168 Lectures [144 hrs : 45 mins]): Offline Support
Rs. 710.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
🎓 Study Material (287 Notes): 2024-2025 Syllabus
Rs. 450.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 862 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 400.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 26
Appeared in Year: 2013
Question MCQ▾
In Lindeman mechanism of unimolecular reaction, observed order of low concentration is (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.5 | |
b. | 1.5 | |
c. | 1 | |
d. | 2 |
Question 27
Appeared in Year: 2013
Question MCQ▾
[]D of a 90% optically pure 2-aryl propanoic acid solution is + 135 . On treatment with a base at RT for one hour, []D change to . Optical purity is reduced to 40% after 3hour. If so, the optical purity of solution after, 1 hour, and its []D after 3 hour, respectively would be. (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | 70% and 60% | |
b. | 80% and 90% | |
c. | 80% and 60% | |
d. | 20% and 40% |
Question 28
Appeared in Year: 2015
Question MCQ▾
First order rate constant for a animolecular gas phase reaction A products, that follows Lindemann mechanism is 2.0 of = 1 atm and 4.0 of = 2 atm. The rate constant for activation step is:- (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | 8.0 | |
d. |
Question 29
Appeared in Year: 2013
Question MCQ▾
In a chemical reaction, total pressure at equilibrium is 6 atm. The value of equilibrium constant is (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | 36 | |
b. | ||
c. | 9 | |
d. | 1 |
Question 30
Appeared in Year: 2013
Question MCQ▾
Isotherm which has fractional coverage, linearly dependent on pressure at low pressure but almost independent at high pressure is called. (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Freundlich isotherm | |
b. | BET isotherm | |
c. | Tonkin isotherm | |
d. | Langmuir isotherm |