The conversion of tertiary alcohols into alkenes in the presence of K2Cr2O7 +H2SO4 is
Correct answer: C. Elimination reaction
- A. Addition reaction
- B. C - H bond cleavage
- C. Elimination reaction
- D. Combustion reaction
Explanation
The conversion of tertiary alcohols into alkenes in the presence of K2Cr2O7 and H2SO4 is indeed an elimination reaction. This reaction is known as a dehydrating reaction, where the alcohol molecule loses a water molecule to form an alkene. The K2Cr2O7 and H2SO4 act as catalysts in this reaction, facilitating the removal of water from the alcohol molecule and promoting the formation of the alkene.
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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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