Advertisements
Advertisements
प्रश्न
What do you observe when freshly precipitated aluminium hydroxide reacts with caustic soda solution? Give balanced equation.
Advertisements
उत्तर
When freshly precipitated aluminum hydroxide reacts with caustic soda solution, whitesalt of sodium meta aluminate is obtained.
\[\ce{Al(OH)3 + NaOH ->\underset{Sodium aluminate}{NaAlO2}+ 2H2O}\]
APPEARS IN
संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name
a metallic hydroxide soluble in excess of NH4OH.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
Name: Two bases which are not alkalis but dissolve in strong alkalis.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
