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Give Reason for the Following: the Catalytic Oxidation of Sulphur Dioxide to Sulphur Trioxide is Represented by a Double Arrow {⇌} Between the Reactants and Products, - Chemistry

Short Note

Give reason for the following:

The catalytic oxidation of sulphur dioxide to sulphur trioxide is represented by a double arrow {⇌} 
between the reactants and products, formed in the chemical reaction.

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The reaction is reversible shown by the double arrow.

The Equation of Oxidation of sulphur dioxide to sulphur trioxide is as follows:

\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2 SO3 + \triangle}\]
                    [Vanadium pentoxide (V2O5) - catalyst]

Concept: Classification of Change: Chemical Changes
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Viraf J. Dalal Class 7 New Simplified Middle School Chemistry
Chapter 5 Language of Chemistry
Objective Type Questions | Q 4.4
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