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Previous year question hub

Homogeneous Reaction Equilibria - Chemical Equilibria - Life Sciences Previous Year Questions

Practice Homogeneous Reaction Equilibria - Chemical Equilibria - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

4Papers
4Years
5Questions
1Topics

Homogeneous Reaction Equilibria question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 3 60%
Hard 1 20%
Easy 1 20%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 5 100%

Subject weightage

Top subjects by unique question coverage.

Life Sciences
5 Qs

Most asked topics

Top topics across the included previous year papers.

Chemical Equilibria
5 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Homogeneous Reaction Equilibria
5 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Life Sciences (XL) 2011
1 Qs
Life Sciences (XL) 2010
1 Qs
Life Sciences (XL) 2009
2 Qs
Life Sciences (XL) 2008
1 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Life Sciences (XL) 20112011
1 questions in this view		2011
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20102010
1 questions in this view		2010
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20092009
2 questions in this view		2009
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Life Sciences (XL) 20082008
1 questions in this view		2008
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download

All Homogeneous Reaction Equilibria previous year questions

Practice every matching question in batches of 20, with every available option.

1
2008 · Life Sciences · Chemical Equilibria · Homogeneous Reaction Equilibria
Life Sciences (XL) 2008
The equilibrium constant of the reaction is
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2
2009 · Life Sciences · Chemical Equilibria · Homogeneous Reaction Equilibria
Life Sciences (XL) 2009

The total pressure (in bar) needed for 50% conversion of P into Q is

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3
2009 · Life Sciences · Chemical Equilibria · Homogeneous Reaction Equilibria
Life Sciences (XL) 2009

The amount of P that will be converted to Q at a total pressure of 0.5 bar is approximately

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4
2010 · Life Sciences · Chemical Equilibria · Homogeneous Reaction Equilibria
Life Sciences (XL) 2010
Consider the following equilibrium reaction:
CO (g) + Cl₂ (g) ⇌ COCl₂ (g)
0.60 atm of CO and 1.10 atm of Cl₂ were mixed in a constant volume reaction vessel at a particular temperature. After the equilibrium was established, 0.10 atm of COCl₂ was observed. The equilibrium constant for the reaction is
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5
2011 · Life Sciences · Chemical Equilibria · Homogeneous Reaction Equilibria
Life Sciences (XL) 2011
Consider the following equilibrium
\[ \text{SO}_2 (g) + \frac{1}{2} \text{O}_2 (g) \rightleftharpoons \text{SO}_3 (g), \Delta H = -23.5 \text{ kcal mol}^{-1} \]
The formation of SO₃ is favoured by
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