Advertisements
Advertisements
Question
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
Only zinc hydroxide
Advertisements
Solution
Addition of excess of NaOH.
APPEARS IN
RELATED QUESTIONS
Name a solution that will separate the component of the following mixture: Zn(OH)2 from Pb(OH)2
Choose the correct answer from the options given below :
Color of ferrous ion is
Choose the correct answer from the options given below :
Which one is colourless anion?
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?
When an ammonium hydroxide solution is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide giving an inky blue solution. What is the cation present in solution B?
The questions (i) to (v) refer to the following salt solutions listed A to F.
A.Copper Nitrate
B.Iron (II) Sulphate
C.Iron (III) chloride
D.Lead Nitrate
E.Magnesium sulphate
F.Zinc chloride
(I)Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by a barium chloride solution?
(II)Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?
(III)Which solution will give white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
(IV)Which solution becomes a deep/inky blue colour when the excess of ammonium hydroxide is added to it?
(V)Which solution gives a white precipitate with an excess of ammonium hydroxide solution?
The hydroxide soluble in excess of ammonium hydroxide is ______.
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Which of the following about oxides is correct?
Write balanced equation for a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
