Advertisements
Advertisements
प्रश्न
Give two examples of amphoteric hydroxides.
Advertisements
उत्तर
Examples of amphoteric hydroxides are: Zn(OH)2, Al(OH)3.
APPEARS IN
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
A compound X (having vinegar like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is: \[\ce{C2H5OH + X ->[Z] Y + H2O}\]
- Identify Y and Z.
- Write the structural formula of X.
- Name the above reaction.
Name two bases which are not alkalis but dissolves in strong alkalis.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
What do you understand by amphoteric oxide?
Name: A metallic oxide soluble in excess of caustic soda solution.
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
