Q21.80P - Chemistry: Molecular Nature Of Matter And Change

Question

After the $\mathbf{1930}\mathit{s}$, chromium replaced nickel for corrosion resistance and appearance on car bumpers and trim. How does chromium protect steel from corrosion? 

Step-by-Step Solution

Answer

Even though chromium can corrode, the oxide it is found to safeguard the metal inside.

Step 1: Identify given information

List all given data and unknowns.

Step 2: Determine relevant principles

Identify applicable chemical laws.

Step 3: Set up and solve

Apply equations and solve.

Step 4: State the answer

The answer is:

Even though chromium can corrode, the oxide it is found to safeguard the metal inside.