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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:
FeCl3
Write a balanced equation for this reaction.
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उत्तर
\[\ce{\underset{\text{yellow}}{FeCl3} + 3NaOH -> \underset{\text{reddish brown, ppt}}{Fe(OH)3↓} + \underset{\text{colourless in solution}}{3NaCl}}\]
In excess of alkali , the reddish brown ppt. of Fe(OH)3 remains insoluble.
संबंधित प्रश्न
Name the kind of particles present in sodium hydroxide solution.
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Write equation for the reaction that will take place when copper sulphate solution is added to sodium hydroxide solution.
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State what do you observe when:
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State your observation of the following case :
When excess sodium hydroxide is added to calcium nitrate solution
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to calcium salt solution and lead salt solution.
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
Identify the cation in the following case:
Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide 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.

