Question (i): Name the catalyst L used in step II

Here's the solution for the first part of the question related to Figure 1:

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Question (i): Name the catalyst L used in step II

Step II in the diagram shows the conversion of Ammonia and Oxygen into Nitric (V) acid, which is the Ostwald process. The first step of the Ostwald process involves the catalytic oxidation of ammonia.

The catalyst used for this reaction is:

• Platinum (or Platinum-rhodium gauze)

The catalyst L is Platinum.