मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

Write a balanced equation for the reaction between KO2 and water

Advertisements
Advertisements

प्रश्न

Write a balanced equation for the reaction between KO2 and water.

टीपा लिहा
Advertisements

उत्तर

The balanced chemical equation for the reaction between KOand water is:

\[\ce{2KO_{2(s)} + 2H_2O_{(l)} -> 2KOH_{(aq)} + H_2O_{2(aq)} + O_{2(g)}}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

संबंधित प्रश्‍न

What are the common chemical features of alkali metals?


Why are potassium and cesium, rather than lithium used in photoelectric cells?


Write a balanced equation for the reaction between Na2O and CO2.


Which one of the following alkali metals gives hydrated salts?


For alkali metals, which one of the following trends is incorrect?


What are the common physical features of alkali metals?


The alkali metals are low melting. Which of the following alkali metal is expected to melt if the room temperature rises to 30°C?


Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?


The solubility of metal halides depends on their nature, lattice enthalpy and hydration enthalpy of the individual ions. Amongst fluorides of alkali metals, the lowest solubility of LiF in water is due to ______.


In the synthesis of sodium carbonate, the recovery of ammonia is done by treating NH4Cl with Ca(OH)2. The by-product obtained in this process is ______.


By adding gypsum to cement


Which of the following elements does not form hydride by direct heating with dihydrogen?


Which of the following compounds are readily soluble in water?

(i) BeSO4

(ii) MgSO4

(iii) BaSO4

(iv) SrSO4 


Write Lewis strucure of \[\ce{O^{-}2}\] ion and find out oxidation state of each oxygen atom? What is the average oxidation state of oxygen in this ion?


When a metal of group 1 was dissolved in liquid ammonia, the following observations were obtained:

(i) Blue solution was obtained initially.

(ii) On concentrating the solution, blue colour changed to bronze colour.

How do you account for the blue colour of the solution? Give the name of the product formed on keeping the solution for some time.


A white precipitate was formed when BaCl2 was added to extract of an inorganic salt. Farther, a gas 'X' with characteristic odour was released when the formed white precipitate was dissolved in dilute HCl. The anion present in the inorganic salt is ______.


The correct order of conductivity of ions in water is ______.


KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it ______.


Which element from following is used as moderator in nuclear reactor?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×