11TH Class Chemistry Important Long Questions

Here we will provide you 11TH Class Chemistry Important Long Questions. These Questions also came in Lahore board 2021 then we decide to help other students by sharing these 11TH Class Important Long Questions on our website. Our aim is to give study solutions free of cost for all students because these students are our future for our country and they will grow our country through hard work. If you like our post then you can share these 11TH Class Important Long Questions with other students. Also, Read this 11TH Class Chemistry Past Papers MCQs

11TH Class Chemistry Important Long Questions

11TH Class Chemistry Important Long Questions

11TH Class Chemistry Important Long Questions

1st-year Chemistry Most Important Long Questions 

  • NH3 gas can be produced by heating together NH4CL and Ca(OH)2, if a mixture containing 100g of each solid is heated then calculate the number of grams of NH3 produced
  •            2NH4CL+Ca(OH) Arrow Right Side  CaCL2 +2NH3 + 2H2O (Water)
  • Explain isomorphism with examples?
  • Give the postulates of kinetic Energy molecular theory?
  • Derive an expression to determine the radius of orbits using the Bohr model?
  • What is sp^2 hybridization, how ist explain the structure of ethene What is the Hess law? Explain by giving two examples?
  • Calculate the pH of a buffer solution in which 0.11 molar CH3COONa and 0.09 molar acetic said solutions are present, Ka for the CH3COOH is 1.85 multiply 10^5.
  • Define the half-life period. How the order of reaction can be determined by knowing the half-life of the reaction?
  • What are the colligative properties of solutions? Explain the elevation of boiling points.?
  • Describe the construction and working of standard hydrogen electrodes.?
  • Calculate the number of grams of K2SO4 and H2O produced when 14 grams of KOH reacts with an excess of H2SO4 under the following equation:
  •             2KOH +2H2SO4 Right Arrow K2SO4 + 2H2O
  • Explain the structure of ice on the basis of hydrogen bonding?
  • State the Charles Law. Explain its experimental verification?
  • Write down an experiment that how neutrons were discovered?
  • Define ionization energy. Write factors affecting ionization energy and explain its trend along with a group?
  • A buffer solution is prepared by mixing 0.2M CH3COONa and 0.5M CH3COOH in 1dm3 of solution. Calculate PH of solution pKa of acid is 4.74?
  • Explain the energy of activation?
  • Define solubility curve. Explain different types of solubility curves with the help of graphs?
  • Describe electrochemical series. Give its three applications?


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                1st-year chemistry important long questions 

                11th class chemistry most important long questions 

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                Dear students these above important 1st-year chemistry important long questions came in Lahore board we decided to upload them on this website so that all students could easily find them. Students we request to you please just focus on books if you prepared completely then read any important questions and model papers if you want to get good marks in final exams.

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