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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
उत्तर
Addition of caustic soda to FeCl3 solution :
\[\ce{FeCl3 + 3NaOH ->\underset{\text{Reddish Brown ppt.}}{Fe(OH)3 v + 3NaCI}}\]
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संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An oxide which dissolves in water forming an acid
Name
a metallic hydroxide soluble in excess of NH4OH.
Name a metallic oxide soluble in excess of caustic soda solution.
Name the metal hydroxides which are soluble in caustic soda solution.
Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Why the alkali is added drop by drop to the salt solution?
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
