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प्रश्न
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : Pb(NO3)2
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उत्तर
Addition of caustic soda to Pb(NO)3 Solution :
\[\ce{Pb(NO)3 + 2NaOH ->\underset{\text{White ppt.}}{Pb(OH)2 v + 2NaNO3}}\]
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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.
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.
Give a chemical test to distinguish between the given pairs of chemicals:
Lead nitrate solution and Zinc nitrate solution
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
Name: A metallic oxide soluble in excess of caustic soda solution.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
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.
