1
IIT-JEE 2005
Subjective
+4
-0
At constant temperature and volume, X decomposes as 2X(g) $$\to$$ 3Y(g) + 2Z(g); P_{x} is the partial pressure of X.
(i) What is the order of the reaction to X?
(ii) Find the rate constant
(iii) Find the time for 75% completion of the reaction.
(iv) Find the total pressure when pressure of X is 700 mm of Hg
Observation No. | Time (in minute) | P_{x} (in mm of Hg) |
---|---|---|
1 | 0 | 800 |
2 | 100 | 400 |
3 | 200 | 200 |
(i) What is the order of the reaction to X?
(ii) Find the rate constant
(iii) Find the time for 75% completion of the reaction.
(iv) Find the total pressure when pressure of X is 700 mm of Hg
2
IIT-JEE 2004
Subjective
+2
-0
For the given reactions, A + B $$\to$$ Products, following data were obtained
(a) Write the rate law expression
(b) Find the rate constant
[A_{o}] | [B_{o}] | R_{o} (mol L^{-1} s^{-1}) | |
---|---|---|---|
1 | 0.1 | 0.1 | 0.05 |
2 | 0.2 | 0.1 | 0.10 |
3 | 0.1 | 0.2 | 0.05 |
(b) Find the rate constant
3
IIT-JEE 2001
Subjective
+5
-0
The rate of a first order reaction is 0.04 mol litre^{-1} s^{-1} at 10 minutes and 0.03 mol litre^{-1} s^{-1} at 20 minutes after initiation. Find the half-life of the reaction.
4
IIT-JEE 2001
Subjective
+10
-0
The vapour pressure of the two miscible liquids (A) and (B) are 300 and 500 mm of Hg respectively. In a flask 10 moles of (A) is mixed with 12 moles of (B). However, as soon as (B) is added, (A) starts polymerizing into a completely insoluble solid. The polymerization follows first-order kinetics. After 100 minutes, 0.525 mole of a solute is dissolved which arrests the polymerization completely. The final vapour pressure of the solution is 400 mm of Hg. Estimate the rate of constant of the polymerization reaction. Assume negligible volume change on mixing and polymerization and ideal behaviour for the final solution.
Questions Asked from Chemical Kinetics and Nuclear Chemistry (Subjective)
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