A) Haber?s process: \[{{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow[{}]{Fe(s)}2N{{H}_{3}}(g)\]
B) Ostwald process: \[4N{{H}_{3}}(g)+5{{O}_{2}}(g)\xrightarrow[{}]{Pt(s)}\]
C) Contact process: \[2S{{O}_{2}}(g)+{{O}_{2}}(g)\xrightarrow{Pt(s)}2S{{O}_{3}}(g)\]
D) \[2{{C}_{2}}{{H}_{5}}OH(aq)\xrightarrow{{{H}_{2}}S{{O}_{4}}(aq)}\] \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}(aq)+{{H}_{2}}O(l)\]
Correct Answer: D
Solution :
If the catalyst is present in the same phase as the reactants, it is called a homogeneous catalyst and this type of catalysis is called homogeneous catalysis. For example, \[2{{C}_{2}}{{H}_{5}}OH(aq)\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}}(aq)}\] \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}(aq)+{{H}_{2}}O(l)\] Here, all substances are present in the liquid phase.
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