Advertisements
Advertisements
प्रश्न
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO4
उत्तर
Addition of Caustic soda to CuSO4 Solution :
\[\ce{CuSO4 + 2NaOH ->\underset{\text{Pale blue ppt.}}{ Cu(OH)2 v + Na2SO4}}\]
APPEARS IN
संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name a metallic oxide soluble in excess of caustic soda solution.
Name a weak alkali.
Name two colourless metal ions.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
What do you understand by amphoteric oxide? Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write your observation if any.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
