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प्रश्न
Write balanced equation reaction of sodium hydroxide solution with iron (III) chloride solution.
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उत्तर
Adding sodium hydroxide solution dropwise to FeCl3 produces a reddish coloured ppt that is insoluble in excess NaOH.
\[\ce{\underset{(yellow)}{\underset{Ferric chloride}{FeCl3}} + \underset{(colourless)}{\underset{Caustic soda}{3NaOH}} -> \underset{(reddish brown ppt{.})}{\underset{Ferric hydroxide}{Fe(OH)3↓}} + \underset{(colourless)}{\underset{Sodium chloride}{3 NaCl}}}\]
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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
Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.
Distinguish by adding:
(a) sodium hydroxide solution and
(b) Ammonium hydroxide solution to
(i) Calcium salt solution and lead salt solution
(ii) Lead salt solution and ferrous salt solution
(iii) copper salt solution and ferrous salt solution
(iv) Fe (II) salt solution and Fe (III) Salt solution
(v) Ferrous nitrate and lead nitrate
Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.
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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.
Using Sodium hydroxide solution, how would you distinguish: Iron(II) chloride from Iron (III) chloride
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
Name the metal hydroxides which are insoluble in caustic soda solution.
