Advertisements
Advertisements
प्रश्न
Decomposition reactions require energy either in the form of heat or light or electricity for breaking down the reactants. Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity
Advertisements
उत्तर
Those reactions in which a compound splits up into two or more simpler substances are known as decomposition reactions.
1)
2)
`2AgCl_((s))` + Sunlight 
`2Ag_(s) + Cl_(2(g))`
3)
APPEARS IN
संबंधित प्रश्न
State an important use of decomposition reactions.
Give one example of a decomposition reaction which is carried out with electricity.
What type of chemical reaction take place when silver bromide is exposed to sunlight?
When a green iron salt is heated strongly, its colour finally changes to brown and odour of burning sulphur is given out.
(a) Name the iron salt.
(b) Name the type of reaction that takes place during the heating of iron salt.
(c) Write a chemical equation for the reaction involved.
Differentiate between direct combination reaction and a decomposition reaction.
Differentiate between the following:
Thermal decomposition and thermal dissociation.
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
What is observed when silver chloride is exposed to sunlight? Give the type of reaction involved.
Write one equation for decomposition reactions where energy is supplied in the form of electricity.
A solution of a substance ‘X’ is used for whitewashing.
- Name the substance ‘X’ and write its formula.
- Write the reaction of the substance ‘X’ named in the above formula with water.
