Advertisements
Advertisements
Question
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Advertisements
Solution
The reaction of freshly precipitated aluminium hydroxide with caustic soda solution is as :
\[\ce{Al(OH)3 + NaOH ->\underset{\text{Sodium aluminate (White)}}{NaAlO2 + 2H2O}}\]
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 amphoteric oxide
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
A compound X (having the 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:

1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name two colourless metal ions.
Name two bases which are not alkalis but dissolves in strong alkalis.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name the metal hydroxides which are soluble in caustic soda solution.
Name: A weak alkali.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
