Advertisements
Advertisements
प्रश्न
Write a balanced equation for the reaction between Na2O2 and water.
Advertisements
उत्तर
The balanced chemical equation for the reaction between Na2O2 and water is:
\[\ce{2Na_2O_{2(s)} + 2H_2O_{(l)} -> 4NaOH_{(aq)} + O_{2(aq)}}\]
संबंधित प्रश्न
Find the oxidation state of sodium in Na2O2.
Potassium carbonate cannot be prepared by Solvay process. Why?
Describe two important uses of each of the following caustic soda.
What happens when sodium metal is dropped in water?
What happens when sodium metal is heated in the free supply of air?
Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?
The formula of soda ash is ______.
When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?
(i) H+ ions
(ii) Mg2+ ions
(iii) Ca2+ ions
(iv) \[\ce{SO^{2-}4}\] ions
Complete the following reactions.
\[\ce{O^{2-}2 + H2O ->}\]
Complete the following reactions.
\[\ce{O^{-}2 + H2O ->}\]
Match the elements given in Column I with the colour they impart to the flame given in Column II.
| Column I | Column II |
| (i) Cs | (a) Apple green |
| (ii) Na | (b) Violet |
| (iii) K | (c) Brick red |
| (iv) Ca | (d) Yellow |
| (v) Sr | (e) Crimson red |
| vi) Ba | (f) Blue |
\[\ce{NaOH}\] is manufactured by the electrolysis of brine solution. The products of the reaction are ______.
Amongst baking soda, caustic soda and washing soda, carbonate anion is present in ______.
Which sodium salt will be heated with soda lime to obtain propane?
