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Chemical Equilibrium

9 questions · Chemistry · JEE Advanced
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Chemical Equilibrium

9 questions · Chemistry · JEE Advanced

  1. The plot of logkf​ versus 1/T for a reversible reaction A(g)⇌P(g) is shown. Pre-exponential factors for the forward and backward reactions are 1015 s−1 and 1011 s−1… Includes diagram2023 · Shift 1 · Q10 · Numerical
  2. Consider the reaction, A ⇌ B at 1000 K. At time t', the temperature of the system was increased to 2000 K and the system was allowed to reach equilibrium. Throughout this experiment the partial pressure of A was… Includes diagram2020 · Shift 1 · Q14 · Numerical
  3. For the following reaction, the equilibrium constant Kc at 298 K is 1.6 × 1017. Fe2+(aq) + S2−(aq) ⇌ FeS(s) When equal volumes of 0.06 M Fe2+(aq) and 0.2 M S2−(aq) solutions are mixed, the equilibrium…2019 · Shift 1 · Q16 · Numerical
  4. A closed tank has two compartments A and B, both filled with oxygen (assumed to be ideal gas). The partition separating the two compartments is fixed and is a perfect heat insulator (Figure 1.). If the old partition is replaced by a… Includes diagram2018 · Shift 1 · Q15 · Numerical
  5. Paragraph Thermal decomposition of gaseous X2​ to gaseous X at 298 K takes place according to the following equations: X2​ (g) ⇋ 2X (g) The standard reaction Gibbs energy, Δr​Go, of this reaction is…2016 · Shift 2 · Q5 · MCQ
  6. Paragraph Thermal decomposition of gaseous X2​ to gaseous X at 298 K takes place according to the following equations: X2​ (g) ⇋ 2X (g) The standard reaction Gibbs energy, Δr​Go, of this reaction is…2016 · Shift 2 · Q6 · MCQ
  7. The thermal dissociation equilibrium of CaCO3​(s) is studied under different conditions CaCO3​(s) ⇋ CaO(s) + CO2​(g). For this equilibrium, the correct statement(s) is (are)2013 · Shift 2 · Q5 · Multiple correct
  8. The equilibrium 2Cu+→Cu∘+Cu2+ In aqueous medium at 25 ∘ C shifts towards the left in the presence of2011 · Shift 2 · Q13 · Multiple correct
  9. Statement 1 : For every chemical reaction at equilibrium, standard Gibbs energy of reaction is zero. and Statement 2 : At constant temperature and pressure, chemical reactions are spontaneous in the direction of decreasing Gibbs energy.2008 · Shift 1 · Q14 · MCQ