Advertisements
Advertisements
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
Write balanced equation for this reaction.
Advertisements
उत्तर
\[\ce{Pb(NO3)2 + 2NaOH -> \underset{\text{White ppt.}}{Pb(OH)2↓} + \underset{\text{colourless}}{2NaNO3}}\]
In excess of alkali, white precipitate of Pb(OH)2 becomes soluble :
\[\ce{Pb(OH)2 + 2NaOH(excess) ->\underset{\text{Sodium Plumbate (colourless)}}{Na2PbO2 + 2H2O}}\]
APPEARS IN
संबंधित प्रश्न
What do you observe when ammonium salt is heated with caustic soda solution?
Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is soluble in excess sodium hydroxide. Name the metal ion present in A.
Write equation for the reaction that will take place when copper sulphate solution is added to sodium hydroxide solution.
State what do you observe when:
Neutral litmus solution is added to alkaline solution
Choose the correct answer from the options given below :
Hydroxide of this metal is soluble is sodium hydroxide solution
Using Sodium hydroxide solution, how would you distinguish: Iron(II) chloride from Iron (III) chloride
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to calcium salt solution and lead salt solution.
A student was asked to perform an experiment in the laboratory based on the instructions given:
Observe the picture given below and state one observation for the experiment you would notice on mixing the given solution.
Write the word equation when ammonium salt is heated with caustic soda solution.
