Which of the following metal cannot evolve hydrogen from the acetic acid
Correct answer: D. Copper
- A. Sodium
- B. Magnesium
- C. Potassium
- D. Copper
Explanation
The metal that cannot evolve hydrogen from acetic acid is copper.copper is less reactive than hydrogen and cannot displace it from acids.
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About Aldehydes and Ketones
Aldehydes and ketones contain the polar carbonyl group, but aldehydes are generally more readily oxidised and more reactive than ketones. Coverage includes preparation by oxidation or reduction routes, nucleophilic addition of reagents such as hydrogen cyanide and bisulfite, and tests that distinguish aldehydes from ketones.
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