Ramesh took two beakers A and B containing hot water and cold water respectively. In
each beaker, he dropped a crystal of copper sulphate. He kept the beakers undisturbed. After
sometime what did he observe and why?
Solution:
Cooper sulphate crystal dissolves in water to give a blue color. The blue color arises due to a compound formed between Cu2+ and H2O.
So, faster the dissociation of ionic salt (copper sulphate), faster will be dissolution of salt and the solution gets its blue color.
Due to higher kinetic energy of molecules in hot water, the dissolution becomes faster.
After some time, Ramesh will observe that copper sulphate crystal in beaker B (containing hot water) will become smaller faster compared to beaker A (containing cold water) and the intensity of blue color of the solution increases.
Cooper sulphate crystal dissolves in water to give a blue color. The blue color arises due to a compound formed between Cu2+ and H2O.
So, faster the dissociation of ionic salt (copper sulphate), faster will be dissolution of salt and the solution gets its blue color.
Due to higher kinetic energy of molecules in hot water, the dissolution becomes faster.
After some time, Ramesh will observe that copper sulphate crystal in beaker B (containing hot water) will become smaller faster compared to beaker A (containing cold water) and the intensity of blue color of the solution increases.