Explain the following: The ionization energy decreases from lithium to caesium.
Important Questions on s-Block Elements:Alkali and Alkaline Earth Metals. Alkali Metals:(Group 1)
Explain the following: Alkali metals are difficult to reduce.
Explain the following: The elements of Group are called alkali metals.
How is sodium isolated by Downs process? Sketch a diagram for the Downs cell and label the electrodes, electrolyte and the direction of flow of electrons and ions. Write the equations for the reactions involved in the process.
Discuss in detail the manufacture of sodium carbonate by Solvay process. What is the other important product formed in this process? State the principle involved in the process.
Why can potassium carbonate not be prepared by Solvay's process?
Explain any two of the following: Which is the most reactive metal of alkali metals and why?
Explain any two of the following: Sodium cannot be extracted by the electrolysis of aqueous solution of sodium chloride.
Explain any two of the following: Alkali metals have low densities.
