When catalyst and reactants are present in same phase, catalyst is called:

A. Homogenous catalyst
B. Heterogeneous
C. Organic catalyst
D. None of the above

Answer

A. Homogenous catalyst

In chemistry, when a catalyst is present in the same phase (gas or liquid) as the reactants, it’s called a homogeneous catalyst. Heterogeneous catalysts, on the other hand, are in a different phase than the reactants.

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