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प्रश्न
Name a metallic hydroxide soluble in excess of NH4OH.
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उत्तर
Zinc hydroxide [Zn(OH)2]
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
A compound X (having 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: \[\ce{C2H5OH + X ->[Z] Y + H2O}\]
- Identify Y and Z.
- Write the structural formula of X.
- Name the above reaction.
Name a metallic oxide soluble in excess of caustic soda solution.
Name two colourless metal ions.
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 is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.
Name: A weak alkali.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
