11th Chemistry Chapter 3 Notes

Important Complete Computerized Notes of 11th Chemistry Chapter 3 Notes written by Professor Mr. Adnan Haider Suib. These notes are very helpful in the preparation of 11th Chemistry Chapter 3 Notes for the students of the intermediate and these are according to the paper patterns of all Punjab boards.

Summary and Contents: Chapter No.3 Chemistry Notes Class 11th Download Free PDF

Topics which are discussed in the notes are given below:

Here are the detailed class 11 chapter 3 notes chemistry to help you prepare for your exams.
Important Fill in the blanks with answers of Chapter Number 3: Gases of First-year Chemistry Punjab Textbook Boards.
Write any four properties of liquids.
Liquids are less common than gases and solids. Justify.
Why the graph plotted between pressure and volume moves away from pressure axis at higher temperature?
Define pressure. Give its various units.
Define atmospheric pressure. Give its two units.
Define Boyle's law and give its mathematical expression.
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Why do we get a straight line when pressures are plotted against inverse of volume for gas?
What is absolute zero? OR What happens to real gasses while approaching this temperature?
What is absolute scale?
State Charles's Law and write its mathematical form.
Define Quantitative Definition of Charles's Law.
What is Fahrenheit Scale? Write formula to convert centigrade scale to Fahrenheit scale.
Define thermometry. Name the scale and device used for thermometry.
Derive the units of "R" in general gas equation when the pressure is in atmosphere and volume in dm3?
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Calculate the value of gas constant R in Sl units.
Derive an expression to calculate density of a gas from ideal gas equation.
Derive molecular mass of a gas by general gas equation.
Define Avogadro's law of gases.
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Why do pilots feel uncomfortable breathing at high altitude?
Define Dalton's law of partial pressures. Give mathematical expression.
How Dalton's law of partial pressure is useful in determining pressure of a gas collected over water? OR What is aqueous tension?
Derive an expression to find out the partial pressure of a gas.
Animals inhale oxygen and exhale CO2. Why? OR How does the respiration process involve Dalton's law of partial pressure?
Our comprehensive notes for chemistry class 11 chapter 3 will ensure you're fully prepared for your exams.
State Dalton's law of partial pressure. Write its two applications.
Why do we feel comfortable in expressing the densities of gases in unite of g dm-3 rather than g cm-3 a unit which is used to express the densities of liquids and solids?
State Graham's law of diffusion and write its mathematical form.
Why lighter gases diffuse more rapidly than heavier gases?
Differentiate between diffusion and effusion of gasses.
Rate of diffusion of NH3 gas is more than HCI gas. Why?
Why H2 diffuses more quickly than O2?
Why deep sea divers do not use normal air for breathing in depth of sea?
What is the effect of pressure and heat on the behavior of gases?
Apply kinetic molecular theory of gases to explain the Avogadro's law. OR Derive Avogadro's law from KMT.
Derive Graham's law of diffusion in the light of kinetic molecular theory of gases.
Explain Boyle's law in the light of kinetic molecular theory of gases.
Derive Charles’s law from kinetic theory of gases. OR Derive Charles's law by kinetic equation of gases.
What is mean square velocity?
Why is the plot of PV verses P a straight line at constant temperature and with a fixed number of moles of ideal gas?
Describe two causes of deviation from ideality. OR Give two faulty postulates of Kinetic Molecular Theory.
Water vapours do not behave ideally at 273 K?
What is critical temperature of a gas? What is its importance for liquefaction of gases?
Define critical temperature and the critical volume of the gas.
Differentiate between critical temperature and critical pressure.
Why is the Critical temperature of Water is higher than Argon?
Justify that the volume of given mass of a gas becomes theoretically zero at −273 °C.
H2 and He cannot be liquefied by Linde's method.
Give general method for liquefactions.
Real gases show non-ideal behaviour due to two assumptions of kinetic molecular theory. Explain?
Why gases show non-ideal behaviour at low temperature and high pressure?
Hydrogen and Helium are ideal at room temperature but SO2 and Cl2 are non-ideal. Explain?
Pressure of NH3 gas at given condition is less as calculated by Vander Wall's equation than that of calculated by general gas equation?
What is Future Horizon of plasma?
Write name of fourth state of matter. How can it be obtained.
Difference between artificial and natural plasma.
Give two characteristics of plasma.
State Boyle's law. Give its experimental verification.
These chapter 3 class 11th chemistry notes are designed to simplify your study sessions.
What is ideal gas constant "R"? Calculate its value in different units? OR State and explain general gas equation. Calculate value of "R" in S.I units.
Explain Avogadro’s number. Explain principal and magnetic quantum numbers.
What is Dalton's law of Partial Pressure? Also discuss its applications. OR State and explain Dalton's Law of Partial pressures. Derive an expression of calculating Partial pressure of a gas.
A sample of N2 gas is enclosed in a vessel of volume 380 cm³ at 120 °C and pressure of 101325 Nm−2 . This gas is transferred to a 10 dm³ flask and cooled to 27 °C. Calculate the pressure in Nm−2 exerted by the gas at 27 °C.
Calculate the mass of 1 dm³ of NH3 gas at 30 °C and 100mm/Hg pressure considering the NH3 is behaving ideally.
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