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प्रश्न
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
उत्तर
Iron (II) chloride from iron (III) chloride
(i) \[\ce{FeCl2 + 2NaOH -> Fe(OH)2 + 2NaCI}\]
Fe(OH)2 precipitates are dirty green gelatinous in nature.
(ii) \[\ce{FeCl3 + 3NaOH -> Fe(OH)3 + 3NaCI}\]
Fe(OH)3 precipitates are reddish brown in colour.
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संबंधित प्रश्न
Identify the cations in the following case:
NaOH solution, when added to the Solution (A), gives a reddish brown precipitate
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.
Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.
Write equation for the reaction that will take place when copper sulphate solution is added to sodium hydroxide solution.
Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution.Describe the effect of Adding sodium hydroxide solution to each portion in turn till it is in excess.
State your observation of the following case :
When excess sodium hydroxide is added to calcium nitrate solution
Write balanced equation reaction of sodium hydroxide solution with iron (III) chloride solution.
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to ferrous nitrate and lead nitrate.
State one relevant observation for the following:
To the copper nitrate solution, initially, few drops of sodium hydroxide solution is added and then added in excess.
Aqueous lead (II) nitrate can be distinguished from aqueous zinc nitrate by adding any of the following solutions in excess, except:
