Question

identify x and y in the following reaction : 2KClO3 (x) ------> 2KCl (x) + O2 (y)
A) x = gas , y = gas
B) x = solid , y = gas
C) x = number of moles of KClO3 , y = number of molecules of oxygen
D) x = physical state of KClO3 , y = physical state of O2

Answer 1

x and y in the following reaction is

D) x = physical state of KClO3 , y = physical state of O2

The chemical reaction which involves the decomposition of potassium chlorate(KClO₃) in the presence of heat is shown below.

2KClO₃(s) + Heat → 2KCl(s) + 3O₂(g)

Here, the notations s stands for solid state and g stands for gaseous state.

These are nothing but the representations of the physi

cal states of KClO₃ and O₂.

So, the option (d) is correct and x is solid, y is gas.

Answer 2

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