Which Set of Reagents Would Be Needed for the Following

question 16

Multiple Choice

Which set of reagents would be needed for the following conversion?

• A) NaOCH₂CH₃,CH₃I
• B) PhCH₂MgBr,then H₃O⁺
• C) CH₃MgBr,then PhCH₂Br
• D) H₃O⁺,then PhCH₂Br
• E) LDA,then PhCH₂Br

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Definitions:

Keystone Species

This term refers to a species that plays a critical role in maintaining the structure of an ecological community and whose impact on the ecosystem is disproportionately large relative to its abundance.

Pioneer Species

First organisms to colonize previously disrupted or damaged ecosystems, beginning a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.

Invasive Species

Non-native species that spread rapidly in a new ecosystem, often causing harm to native species and their habitats.

Unlimited Financial Resources

Having access to an infinite amount of funds, allowing for unrestricted spending or investment.