Chemistry Chemical Equilibrium Test Online Mcqs Preparation Chemistry Chemical Equilibrium Test Online Mcqs Preparation With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. What will be the pH of 1.0 mol dm-3 of H2X, which is only 50% disscociated?A. 2B. 0C. 1D. Less than 0Question 1 of 15 Loading... Question 2 of 15 2. The oxidation of SO2 to SO3 is exothermic reaction. The yield of SO3 will be maximum if:A. Temperature is reduced and pressure is increasedB. Both temperature and pressure are increasedC. Both temperature and pressure are decreasedD. Temperature is increased and pressure is kept constantQuestion 2 of 15 Loading... Question 3 of 15 3. At equilibrium, the concentration of reactants and products areA. MaximumB. EqualC. DifferentD. ConstantQuestion 3 of 15 Loading... Question 4 of 15 4. The decomposition of N2O4 to NO2 is carried out at 280°C in chloroform. When equilibrium is reached, 0.2 moles of N2O4 and 0.02 mole of NO2 are present in 1:1 ratio. The equilibrium constant for the reaction N2O4 →2NO2 isA. 0.002B. 0.001C. 0.01D. 0.02Question 4 of 15 Loading... Question 5 of 15 5. If the temperature is increased of following reaction, then will go in N2 + 3H2 ⇌ 2NH3 ∆H = -VeA. Remain constantB. Cannot be predictedC. Forward directionD. Reverse directionQuestion 5 of 15 Loading... Question 6 of 15 6. For what value of Kc almost forward reaction is complete.A. Kc = 0B. Kc = 1030C. Kc = 1D. Kc = 10-30Question 6 of 15 Loading... Question 7 of 15 7. pH of 10-4 mole dm-3of HCl:A. 5B. 4C. 3D. 2Question 7 of 15 Loading... Question 8 of 15 8. If the concentration of salt is greater than the acid in buffer solution, then theA. pH = pKbB. pH > pKaC. pH > pKbD. pH = pKaQuestion 8 of 15 Loading... Question 9 of 15 9. For the reaction H2(g) + I2(g) ⇌ 2HI(g). The equilibrium constant changes withA. CatalystB. Total pressureC. TemperatureD. Concentration of H2 and I2Question 9 of 15 Loading... Question 10 of 15 10. In a saturated solution of AgCl, the molar concentration of Ag+ and Cl- is 1.0 x 10-5 M each. What is the value of KspA. 1.0 x 10-10 B. 0.1 x 10-5C. 1.0 x 10-5D. 1.0 x 10-15Question 10 of 15 Loading... Question 11 of 15 11. In a given system, water and ice are in equilibrium, if the pressure is applied to the above system then:A. Both a and bB. Amount of ice and water will remain the sameC. More ice is formedD. More ice is meltedQuestion 11 of 15 Loading... Question 12 of 15 12. When HCl gas is passed through saturated solution of rock salt, the solubility of NaCl:A. May increases or decreasesB. None of theseC. IncreasesD. DecreasesQuestion 12 of 15 Loading... Question 13 of 15 13. A basic buffer solution can be prepared by mixing:A. Weak base and its salt with strong acidB. Strong base and its salt with weak acidC. Strong acid and its salt with weak baseD. Weak acid and its salt with strong baseQuestion 13 of 15 Loading... Question 14 of 15 14. An excess of silver nitrate is added to the aqueous barium chloride and the precipitate is removed by filtration. What are the main ions in the filtrate:A. NO-3 and Ba+2 onlyB. Ag+ and NO-3 and Ba+2 onlyC. Cl- and NO-3 and Ba+2 onlyD. Ag+ and NO-3 onlyQuestion 14 of 15 Loading... Question 15 of 15 15. Which one is very weak acid?A. HFB. H2CO3C. HClD. H2OQuestion 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Chemistry Test Online PreparationASF Written Test Preparation Online McqsFPSC SST Test Preparation Mcqs OnlineOnline ECAT Test Preparation McqsPPSC Lecturer Test Preparation Online McqsLecturer Test KPPSC Preparation Mcqs OnlineSPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject WiseIB Pakistan NTS Jobs 2025 Online Test Preparation McqsMDCAT Test Preparation Online Related Syllabus Mcqs