AP-ECET SERIES Chemistry
Chemical Kinetics
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
2
2019 1
2018 1
2003 Chapter Questions 4 MCQs
01
PYQ 2003
easy
chemistry ID: ap-ecet-
The rate constant of a reaction at temperature 200 K is 10 times less than the rate constant at 400 K. What is the activation energy of the reaction? (R = Gas constant)
1
1842.4 R
2
921.2 R
3
460.6 R
4
230.3 R
02
PYQ 2018
medium
chemistry ID: ap-ecet-
Thermal decomposition of is a first order reaction and the rate constant at T(K) is . The time required to decompose of initial quantity of at in seconds is
1
100
2
500
3
1000
4
50
03
PYQ 2019
easy
chemistry ID: ap-ecet-
The half-life periods of a first order reaction at and are and respectively. The activation energy of the reaction in is (log 5 = 0.70)
1
4
2
8
3
16.1
4
20.1
04
PYQ 2019
medium
chemistry ID: ap-ecet-
The rate constants for a reaction at and are and
respectively. The activation energy of the reaction in is
1
38.3
2
57.4
3
114.9
4
76.6
About Chemical Kinetics - AP-ECET
Chemical Kinetics is a vital chapter for AP-ECET aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
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Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Chemical Kinetics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.