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प्रश्न
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess.
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उत्तर
A chalky white precipitate is formed, which is soluble in excess of sodium hydroxide and forms a colourless solution.
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संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An oxide which dissolves in water forming an acid
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.
Give a chemical test to distinguish between the given pair of chemicals:
Lead nitrate solution and zinc nitrate solution.
Name a metallic oxide soluble in excess of caustic soda solution.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
Name a compound containing zinc in the anion.
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
