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प्रश्न
Identify the cation in the following case:
Sodium hydroxide solution when added to Solution C gives a white precipitate which is insoluble in excess of sodium hydroxide solution.
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उत्तर
Calcium ions (Ca2+)
\[\ce{Ca^{2+} + 2NaOH -> Ca(OH)2 + 2Na}\]
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संबंधित प्रश्न
What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:
ZnSO4
Write a balanced equation for this reaction.
Name a yellow monoxide that dissolves in hot and concentrated caustic alkali.
What do you observe when ammonium salt is heated with caustic soda solution?
Using sodium hydroxide solution, how will you distinguish: Zinc nitrate solution from calcium nitrate solution
Write the observation, and balanced equation for the following reaction:
Sodium hydroxide is added dropwise to a solution of zinc sulphate, till it is in excess.
Identify the substance Q based on the information given below:
The white crystalline solid Q is soluble in water. It liberates a pungent smelling gas when heated with sodium hydroxide solution.
Using Sodium hydroxide solution, how would you distinguish: Ammonium sulphate from sodium sulphate.
Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.
State your observation of the following case :
When excess sodium hydroxide is added to calcium nitrate solution
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
