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प्रश्न
A ______ coloured precipitate is formed when ammonium hydroxide is added to a solution of ferrous chloride.
पर्याय
Reddish brown
Dirty green
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उत्तर
A dirty green coloured precipitate is formed when ammonium hydroxide is added to a solution of ferrous chloride.
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संबंधित प्रश्न
Choose the correct answer from the options given below:
A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide is:
1) Calcium chloride
2) Ferrous chloride
3) Ferric chloride
4) Copper chloride
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to the following solution:
Copper sulphate solution
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears. This precipitate however dissolves on addition of excess of ammonia solution. Identify (choose from Na, Al, Zn, Pb, Fe)
What is the formula of the white gelatinous precipitate obtained?
You are provided with PbCO3, ZnCO3 and CaCO3. How will you identify these cations?
Write the observation, and balanced equation for the following reaction:
Excess of ammonium hydroxide is added to a substance, obtained by adding hydrochloric acid to silver nitrate solution.
Write the observation for the following :
NH4OH is added first in a small quantity and then in excess to a solution of copper sulphate.
The following table shows the tests a student performed on four different aqueous solutions which are X,Y,Z and W. Based on the observations provided, Identify the cation present
|
Chemical Test |
Observation | Conclusion |
| To Solution X, ammonium hydroxide is added in minium quantity first and then in excess | A dirty white precipitate is formed which dissolves in excess to form a clear solution | (i) |
| To Solution Y, ammonium hydroxide is added in minimum quantity first and then in excess | A pale blue precipitate is formed which dissolves in excess to form a clear inky blue solution | (ii) |
| To solution W, A small quantity of sodium hydroxide solution is added and then in excess | A white precipitate is formed which remains insoluble | (iii) |
| To a salt Z, calcium hydroxide solution is added and then heated | A pungent smelling gas turning moist red litmus paper blue is obtained | (iv) |
The salt solution which does not react with ammonium hydroxide is ______.
Identify the cation in the following case:
Ammonium hydroxide solution when added to Solution B gives a white precipitate which does not dissolve in excess of ammonium hydroxide solution.
Write balanced equation:
Copper sulphate solution with ammonium hydroxide solution.
