Question

Write one equation each for decomposition reactions where energy is supplied in
the form of heat, light or electricity.​

Answer 1

Answer:

Decomposition by Heat:

2FeSo₄(s)--Δ-->Fe₂O₃(g)+So₂(g)+So₃(g)

Decomposition by Light:

2AgCl(s)----->2Ag(a)+Cl₂(g)

Decomposition by Electricity:

2Al₂O₃(aq)+4Al(a)+3O₂(g)

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Answer 2

Answer:decomposition reaction -light is called photo decomposition reaction,heat is called thermal decomposition reaction,electricity is electrolytic reaction. And the equations follows :

Photo(light):2AgBr_2Ag+Br2

[Silver bromide(light yellow) when exposed to light turns silver metal(grey colour)]

Thermal(heat):Caco3_cao+co2

[Thermal decomposition reaction breaks bonds. So calcium carbonate breaks to form calcium oxide and carbondioxide ]

Electrolytic(current):2NaCl_2Na+Cl2

Current converts a bond into different compounds. So here SODIUM CARBONATE converts Into SODIUM AND CHLORINE.

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Explanation: