Advertisements
Advertisements
प्रश्न
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
Advertisements
उत्तर
Addition of caustic soda to FeCl3 solution :
\[\ce{FeCl3 + 3NaOH ->\underset{\text{Reddish Brown ppt.}}{Fe(OH)3 v + 3NaCI}}\]
APPEARS IN
संबंधित प्रश्न
Name a metallic oxide soluble in excess of caustic soda solution.
Name two bases which are not alkalis but dissolves in strong alkalis.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
Give two examples of amphoteric hydroxides.
Name: Two coloured ions
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
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 equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
