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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
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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
A compound X (having vinegar like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is: \[\ce{C2H5OH + X ->[Z] Y + H2O}\]
- Identify Y and Z.
- Write the structural formula of X.
- Name the above reaction.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name the metal hydroxides which are soluble in caustic soda solution.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
Name: A weak alkali.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Why the alkali is added drop by drop to the salt solution?
State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
