In the formation or sulphur trioxide by the contact process,

2SO2(g) + O2(g) 2SO3(g)

The rate of reaction is expressed as d(O2)/dt = 2.5x10-4 mol L-1sec-1. The rate disappearance of (SO2) will be

1. 5.0x10-4 mol L-1sec-1

2. 2.5x10-4 mol L-1sec-1

3. 3.75x10-4 mol L-1sec-1

4. 50.0x10-4 mol L-1sec-1

Concept Videos :-

#1 | Rate of Reaction
#2 | Rate Constant
#3 | Factors Affecting Rate of Reaction

Concept Questions :-

Definition, Rate Constant, Rate Law
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