Advertisements
Advertisements
Question
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO4
Advertisements
Solution
Addition of Caustic soda to CuSO4 Solution :
\[\ce{CuSO4 + 2NaOH ->\underset{\text{Pale blue ppt.}}{ Cu(OH)2 v + Na2SO4}}\]
APPEARS IN
RELATED QUESTIONS
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An oxide which dissolves in water forming an acid
Name a weak alkali.
Name two bases which are not alkalis but dissolves in strong alkalis.
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give a balanced equation.
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name: A weak alkali.
Name: Two coloured ions
Name: Two bases which are not alkalis but dissolve in strong alkalis.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
