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Propan-2-ol can be prepared form the hydroboration-oxidation of propene.
- a)True
- b)False
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Propan-2-ol can be prepared form the hydroboration-oxidation of propen...
False
Explanation:
The hydroboration-oxidation reaction is a method for converting alkenes into alcohols. However, in the case of propene, the hydroboration-oxidation reaction does not produce propan-2-ol (isopropanol).
Hydroboration of propene:
The hydroboration of propene involves the reaction of propene (C3H6) with borane (BH3) in the presence of a solvent such as tetrahydrofuran (THF). The reaction forms an intermediate called trialkylborane.
Oxidation of trialkylborane:
The trialkylborane intermediate is then oxidized using hydrogen peroxide (H2O2) and a base such as sodium hydroxide (NaOH) to yield the corresponding alcohol. However, in the case of propene, the oxidation of trialkylborane results in the formation of propan-1-ol (n-propanol), not propan-2-ol (isopropanol).
Overall reaction:
The overall reaction for the hydroboration-oxidation of propene can be represented as follows:
Propene + BH3 → Trialkylborane
Trialkylborane + H2O2 + NaOH → Propan-1-ol (n-propanol)
Therefore, propan-2-ol (isopropanol) cannot be prepared directly from the hydroboration-oxidation of propene. Isopropanol can be obtained by other methods such as the hydration of propene or the reduction of acetone.
Explanation:
The hydroboration-oxidation reaction is a method for converting alkenes into alcohols. However, in the case of propene, the hydroboration-oxidation reaction does not produce propan-2-ol (isopropanol).
Hydroboration of propene:
The hydroboration of propene involves the reaction of propene (C3H6) with borane (BH3) in the presence of a solvent such as tetrahydrofuran (THF). The reaction forms an intermediate called trialkylborane.
Oxidation of trialkylborane:
The trialkylborane intermediate is then oxidized using hydrogen peroxide (H2O2) and a base such as sodium hydroxide (NaOH) to yield the corresponding alcohol. However, in the case of propene, the oxidation of trialkylborane results in the formation of propan-1-ol (n-propanol), not propan-2-ol (isopropanol).
Overall reaction:
The overall reaction for the hydroboration-oxidation of propene can be represented as follows:
Propene + BH3 → Trialkylborane
Trialkylborane + H2O2 + NaOH → Propan-1-ol (n-propanol)
Therefore, propan-2-ol (isopropanol) cannot be prepared directly from the hydroboration-oxidation of propene. Isopropanol can be obtained by other methods such as the hydration of propene or the reduction of acetone.
Community Answer
Propan-2-ol can be prepared form the hydroboration-oxidation of propen...
The oxidation of trialkyl boranes proceeds according to anti-Markovnikov’s rule, and hence the product formed will be propan-1-ol.
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Propan-2-ol can be prepared form the hydroboration-oxidation of propene.a)Trueb)FalseCorrect answer is option 'B'. Can you explain this answer?
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