Which of the following is one of the resonance contributors of the intermediate produced in a Friedel-Crafts alkylation of benzene? 
Definitions:
Congestive Heart Failure (CHF)
A chronic condition where the heart's ability to pump effectively is compromised, leading to the accumulation of fluid in body tissues.
Pulmonary Edema
A condition characterized by excessive fluid in the lungs, which can lead to difficulty breathing and inadequate oxygenation of the blood.
Chronic Bronchitis
A long-term inflammation of the bronchial tubes in the lungs, often resulting from smoking or air pollution, leading to coughing and difficulty breathing.
Pulmonary Embolism
A blockage in one of the pulmonary arteries in the lungs, typically caused by blood clots that travel from the legs or other parts of the body.
Q17: Provide the structure that is consistent with
Q17: A β-keto ester is a product in
Q19: Give the major product for the following
Q48: What is the major product of the
Q57: Circle the stronger base in the pair
Q63: Provide the structure of the major organic
Q71: Provide the proper IUPAC name for the
Q71: What two starting materials yield OHCCH<sub>2</sub>CO<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub> as
Q95: How are acyl phosphates produced in the
Q100: What is the major product of the