Which of the following would have the highest buffer capacity?
1 answer:
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Answer:
Structure in attachment.
Explanation:
The oxymercuration-demercuration of an asymmetric alkene usually produces the Markovnikov orientation of an addition. The electrophile ⁺Hg(OAc), formed by the electrophile attack of the mercury ion, remains attached to least substituted group at the end of the double bond. This electrophile has a considerable amount of positive charge on its two carbon atoms, but there is more positive charge on the more substituted carbon atom, where it is more stable. The water attack occurs on this more electrophilic carbon, and the Markovnikov orientation occurs.
In hydroboration, borane adds to the double bond in one step. Boron is added to the less hindered and less substituted carbon, and hydrogen is added to the more substituted carbon. The electrophilic boron atom adds to the less substituted end of the double bond, positioning the positive charge (and the hydrogen atom) at the more substituted end. The result is a product with the anti-Markovnikov orientation.
Answer: 15.62 moles of are needed to produce 250.0 g of
Explanation:
To calculate the moles :
According to stoichiometry :
1 mole of is produced from decomposition of = 2 moles of
Thus 7.812 moles of will be produced from decomposition of =
of
Thus 15.62 moles of are needed to produce 250.0 g of