Q41.The value of Kp for the equilibrium reaction N2O4(g) ⇌2NO2(g) is 2 . The percentage dissociation of N2O4(g) at a pressure of 0.5 atm is (1) 25 (2) 88 (3) 50 (4) 71
What This Question Tests
This question requires setting up the expression for Kp in terms of degree of dissociation and total pressure, then solving for the degree of dissociation and converting it to percentage.
Concepts Tested
Formulas Used
Kp = (4α²P_total) / (1-α²)
📚 NCERT Sections This Tests
3.21 — The Following Data Were Obtained During The First Order Thermal
Chemistry Class 11 · Chapter 3
3.21 The following data were obtained during the first order thermal decomposition of SO2Cl2 at a constant volume. SO2 Cl 2 g SO 2 g Cl 2 g Experiment Time/s–1 Total pressure/atm 1 0 0.5 2 100 0.6 Calculate the rate of the reaction when total pressure is 0.65 atm.
3.20 — For The Decomposition Of Azoisopropane To Hexane And Nitrogen At 543
Chemistry Class 11 · Chapter 3
3.20 For the decomposition of azoisopropane to hexane and nitrogen at 543 K, the following data are obtained. t (sec) P(mm of Hg) 0 35.0 360 54.0 720 63.0 Calculate the rate constant.
1.3 — Define The Following Terms:
Chemistry Class 11 · Chapter 1
1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
📋 Question Details
- Chapter
- Chemical Equilibrium
- Topic
- Equilibrium constant Kp, degree of dissociation
- Year
- 2012
- Shift
- 19 May Online
- Q Number
- Q41
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 7: Equilibrium
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