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Write two differences between an ideal solution and a non-ideal solution.
Concept: Types of Solutions
Calculate the freezing point of the solution when 31 g of ethylene glycol (C2H6O2) is dissolved in 500 g of water.
(Kf for water = 1.86 K kg mol–1)
Concept: Colligative Properties and Determination of Molar Mass >> Depression of Freezing Point
Define osmotic pressure.
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Define osmotic pressure.
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Define the following term:
isotonic solution
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Define the following term:
isotonic solution
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
The units of Henry’s law constant are ______.
Concept: Solubility
The colligative properties of solutions _______.
Concept: Colligative Properties of Nonelectrolyte Solutions
Distinguish between ideal and non-ideal solutions.
Concept: Vapour Pressure of Solutions of Liquids in Liquids
Explain the osmotic pressure of a solution with the help of a thistle tube.
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Explain the osmotic pressure of a solution with the help of a thistle tube.
Concept: Colligative Properties and Determination of Molar Mass >> Osmosis and Osmotic Pressure
Write mathematical equation of first law of thermodynamics for the following processes :
Adiabatic process.
Concept: Chemical Thermodynamics and Energetic >> First Law of Thermodynamics
State and explain Hess’s law of constant heat summation.
Concept: Chemical Thermodynamics and Energetic >> Hess’ Law of Constant Heat Summation
Label the one conjugate acid-base pair in the following reaction.
\[\ce{CO^{2-}_{3(aq)} + H2O_{(l)} ⇌ OH^- + HCO^-_3}\]
Concept: Acids and Bases in Daily Life
Derive the relationship between pH and pOH.
Concept: The pH Scale
Write mathematical equation of first law of thermodynamics for the following processes :
Adiabatic process.
Concept: Chemical Thermodynamics and Energetic >> First Law of Thermodynamics
What happens if external potential applied becomes greater than E°cell of electrochemical cell?
Concept: Electrochemical Cells
The conductivity of 0.20 mol L−1 solution of KCl is 2.48 × 10−2 S cm−1. Calculate its molar conductivity and degree of dissociation (α). Given λ0 (K+) = 73.5 S cm2 mol−1 and λ0 (C1−) = 76.5 S cm2 mol−1.
Concept: Conductance of Electrolytic Solutions >> Variation of Conductivity and Molar Conductivity with Concentration
What type of battery is mercury cell? Why is it more advantageous than dry cell?
Concept: Batteries >> Primary Batteries
Why does the conductivity of a solution decrease with dilution?
Concept: Conductance of Electrolytic Solutions >> Variation of Conductivity and Molar Conductivity with Concentration
