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प्रश्न
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?
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उत्तर
The cation present in solution B is Cu2+. The probable colour of solution B is blue.
संबंधित प्रश्न
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 coloured metal ions.
Name a metallic hydroxide soluble in excess of NH4OH.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Why the alkali is added drop by drop to the salt solution?
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
Write balanced equations for a Metal that Evolves a Gas Which Burns with a Pop Sound When Boiled with Alkali Solutions.
