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Mdcat-past-papers - SZABMU - Chemistry Quiz

Filters: Board: SZABMU | Subject: Chemistry |
41. Principal quantum number is represented by the symbol:



42. Shape of the sub shell is explained by which quantum number:



43. Which of the following will be filled first than 4p? :



44. The electronic configuration for degenerated orbitals is explained by:



45. Maximum number of electrons which can be placed in one orbital is:



46. Which of the following has greatest difference of electronegativity?



47. Ionization energy decreases down the group because:



48. The force of attraction among H₂ molecules in solid H₂ are:



49. Which of the following compounds shows shortest C–H bond length?



50. Which one has the lowest bond energy?



51. For exothermic reactions ΔH is written as:



52. The thermal energy at constant pressure is called:



53. Which of the following information do we obtain from the lattice energy?



54. Born–Haber cycle is used to calculate the lattice energy of which compound?



55. By which of the following factors is equilibrium state attained earlier?



56. For the given reaction: N₂ + 3H₂ ⇌ 2NH₃ How many moles of N₂ are required for synthesis of 4 moles of NH₃?



57. For a gaseous phase reaction, when number of moles of reactants and products are equal:



58. For the reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g) + heat How can we maximize the yield of NH₃?



59. The high pressure of 200 atm in the Haber process is used for:



60. Which of the following is not true for increased synthesis of NH₃ in Haber's process (ΔH = –92.5 kJ/mol)?



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