Why is LiF almost insoluble in water whereas LiCl soluble not only in water but also in acetone?
The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. Explain.
Potassium carbonate cannot be prepared by Solvay process. Why?
Which out of the following can be used to store an alkali metal?H2O, C2H5OH and Benzene
Why are alkali metals soft and have low melting points?
Which of the following is used in photoelectric cells? (a) Na (b) K (c) Li (d) Cs
Hydrides as well as halides of alkaline earth metals tend to polymerize (a) Sr (b) Ca (c) Be (d) Mg
Which of the following is not a peroxide? (a) KO2 (b) CrO5 (c) Na2O2 (d) BaO2
Alkaline earth metals are (a) more reactive (b) less reducing (c) more oxidizing (d) less basic than alkali metals
The oxide of which of the following metals is amphoteric? (a) Pb (b) Mg (c) Ca (d) Al