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प्रश्न
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
उत्तर
\[\ce{2Al + \underset{concentrated}{\underset{Hot and}{2NaOH}}+ 2H2O -> \underset{(colourless)}{\underset{Sodium meta aluminate}{2NaAlO2}} + 3H2}\]
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संबंधित प्रश्न
Name the kind of particles present in sodium hydroxide solution.
What do you observe when caustic soda solution is added to the following solution, first a little and then in excess:
FeCl3
Write a balanced equation for this reaction.
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 the chloride of a metal which is soluble in excess of ammonium hydroxide. Write equation for the same.
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
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.
Choose the correct answer from the options given below :
Hydroxide of this metal is soluble is sodium hydroxide solution
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to copper salt solution and ferrous salt solution.
Distinguish by adding:
Sodium hydroxide solution and ammonium hydroxide solution to Fe(II) salt solution and Fe(III) salt solution.
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
