Chemistry Chapter 4 Short Questions For Class 11

The most important chemistry chapter 4 short questions for class 11. The 1st-year chapter 4 of chemistry is related to liquids and solids. These questions are for the Punjab Textbook Board and can be used within all of Punjab where this syllabus is taught.

Students are advised to prepare these questions in order to perform the best in the board examination.

Chemistry Chapter 4 Short Questions for Class 11

How is the concept of mole derived from Avogadro’s number?
Define molar mass, molar volume, and molar concentration.
39 g of potassium and 56 g of iron have an equal number of atoms in them. Justify.
4 g of He, 17 g of NH₃, and 64 g of SO₂ occupy separately the volume of 22.414 dm³, although the sizes and masses of molecules of three gases are very different from each other. Explain.
Do you think that 1 mole of H₂ and 1 mole of NH₃ at 0 °C and 1 atm will have Avogadro’s number of particles?
What is stoichiometry? Give the basic assumptions of stoichiometric calculations.
What is a limiting reactant? How does it control the quantity of the product formed?
Differentiate between theoretical yield and actual yield. How can the percentage yield of a reaction be calculated?
What are the factors which are mostly responsible for the low yield of the products in chemical reactions?
Define Avogadro’s number.
Define mole with two examples.
Why do 180 g of glucose and 342 g of sucrose have the same number of molecules but different numbers of atoms?
Calculate the number of oxygen atoms in 10.037 g of CuSO₄·5H₂O (atomic mass of Cu = 63, H = 1, O = 16).
Calculate the mass in kg of 2.6 x 10²⁶ molecules of SO₂.
Calculate the number of water molecules in 10 g of ice.
Write down only steps to determine the limiting reactant.
Many reactions taking place in our surroundings involve limiting reactants. Justify with examples.
The law of conservation of mass has to be obeyed during stoichiometric calculations. Justify it.
Why is the theoretical yield of a chemical reaction greater than the actual yield?
Differentiate between theoretical and experimental yield.
How many moles of CO₂ can be produced from burning one mole of octane (the mass of octane is 114)?