All the following are dehydrating agents EXCEPT:
Correct answer: D. All are dehydrating agents
- A. H3PO4
- B. Conc. H2SO4
- C. Al2O3
- D. All are dehydrating agents
Explanation
Option D is correct as all of the given options can act as dehydrating agents. Phosphoric acid can participate in dehydration reactions by abstracting water from substances, but it is not as strong as other acids. Concentrated sulfuric acid is a powerful dehydrating agent with a high affinity for water, commonly used in chemical processes. Aluminum oxide can act as a dehydrating agent, although not as potent as sulfuric acid. Therefore, all options can serve as dehydrating agents.
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Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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