If excess zinc is added to a bluish green solution of cop...
If excess zinc is added to a bluish green solution of copper (II) sulphate, and the excess zinc filtered off after completion of reaction, a colourless solution is obtained because
both zinc and copper are metals
the sulphate radical and the zinc ion are divalent
zinc is more electropositive than copper
both zinc and copper form depositive ions in solution
zinc is a reducing agent
Correct answer is C
No explanation has been provided for this answer.
Alkaline hydrolysis of naturally occurring fats and oils yields...
River contaminated by alkali waste will have a pH of about. ...
Oxygen gas can be prepared by heating? ...
The metal that is used as a catalyst in the hydrogenation of oils is ...
Which of the following statements about enthalpy of neutralization is correct? It ...
The metal that liberates hydrogen from cold water in bubbles only is? ...
The products of the electrolysis of dilute sodium chloride using carbon electrodes are Anode Cath...
The atomic number of iron is 56. The number of unpaired electrons in the Fe3+ ion is ...
What is the oxidation number of nitrogen in AI(NO3)3?...
Which of the following reactions does not take place in the smelting of iron in a blast furnace? ...