Question
In one method of rust prevention, the iron is not coated with anything. Which is this method?
✓
Answer
Rusting of iron can be prevented by alloying iron with chromium and nickel to make stainless steel.
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Name the following compounds. 
→ $ \ \ \ \ \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \ \ \text{H} \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ \ | \\ \text{H}- \text{C}-\text{C}-\text{C}-\text{C}-\text{C}-\text{O}-\text{H}\ \ \\ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ \ | \ \ \ \ \ \ || \\ \ \ \ \ \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \ \ \text{H} \ \ \ \ \text{O}$
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→- $\text{CH}_3\text{CH}_2\text{OH}\xrightarrow[{170}^\circ\text{C}]{{ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Cons}.\text{H}_2\text{SO}_4}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \\}$
- $\text{CH}_3\text{CO}\text{OH}+\text{C}_2\text{H}_5\text{OH}\xrightarrow[{}]{{ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Cons}.\text{H}_2\text{SO}_4}\ \ \ \ \ \ \ \ \ \ \ \ \ }$
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