The Excessive Turbidity,or Cloudiness,of Lake Wingra in Madison,Wisconsin,was Caused by the Introduction

question 15

Multiple Choice

The excessive turbidity,or cloudiness,of Lake Wingra in Madison,Wisconsin,was caused by the introduction of which of the following?

• A) Nile perch
• B) marine seaweed
• C) catfish
• D) water lilies
• E) common carp

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Definitions:

Lithium Diisopropylamide

A strong, non-nucleophilic base used in organic synthesis for deprotonation reactions, represented by the chemical formula [(CH3)2CH]2NLi.

Resonance Forms

Different Lewis structures for a single molecule that cannot be represented by only one structure but by the hybrid of these structures, showing delocalized electrons.

Enolate Ion

A negatively charged ion formed by the deprotonation of an alpha carbon to a carbonyl group in an aldehyde or ketone.

Acetophenone

Acetophenone is an aromatic ketone, known as the simplest aromatic ketone, used as a precursor in the synthesis of fragrances and resins.