draw and Circle and correctly identify chemical groups (e.g., aldehydes, ketones, etc.) or chemical features (i.e., double, or triple bonds) in Masoprocol  NO AI

For the cation shown, four resonance structures are possible. Two resonance forms are given, but they are incomplete. Complete structures 1 and 2 by adding nonbonding electrons and formal charges. Complete the two remaining resonance structures according to their description, including nonbonding electrons and formal charges. Structure 1: add lone pairs and charges X H₂C H₂C CH3 CH₂ Structure 2: add lone pairs and charges H₂C H₂C 0- CH₂ CH₂

Aniline, phenol, and cyclohexanol are all three examples of aromatic hydrocarbons. T/F?

1. A circle (ring) within a hexagon is often used to represent an aromatic hydrocarbon ring. What does the circle represent? A. For illustration purpose only. B. It represents the double bonds but in circle form. C. It describes the flexibility of the aromatic ring. D. It denotes the electrons associated with the double bonds that move “around” the ring.   2. What is the most potent carcinogen known that can be found in cigarette smoking? A. Anthracene B. Benzopyrene C. Naphthalene D. Phenanthrene   3. What is the position of the substituents present in the structure below? (Please refer to the image attached.) A. ortho B. meta C. para D. gamma

3) Which one(s) of the following is/are an acetal ?

MISSED THIS? Read Section 3.9 (Pages 113-118); Watch IWE 3.16. Part A How many fluorine atoms are present in 5.56 g of CF ? Express your answer to three significant figures. ► Vlew Available Hint(s) atoms Submit Provide Feedback JAN 31

Encircle the functional groups, label each functional group with a letter, and identify the type or class of compounds represented by each functional group. 1. LSD, a hallucinogenic drug widely believed to be the inspiration behind the Beatles hit “Lucy in the Sky with Diamonds” 2. Methyljasmonate, a compound that belongs to a group called the pheromones. The male oriental fruit moth, Grapholitha molesta Busk., responds when a female moth emits this compound. 3.

For the following sets of molecules, circle the correct answer(s) to the question and give a brief but clear explanation (~20 words max) when asked. Draw structures if necessary. a) Circle the weakest base: Explanation: b) Circle the compound with the weakest intermolecular forces: Explanation: c) Circle the most acidic hydrogen: Explanation: H H .N. B H. d) Circle the compound with the highest boiling point: Explanation: 人 人 NH e) Circle the compound with the lowest pKa: Explanation: SH SH SH

2. Consider the following organic molecules A-H. Many of them are natural products isolated from Nature. Please answer the following questions by writing the Letter pertaining to each molecule next to the question. -N- H;C "CO,H N. Но CH2 ČH3 B strychnine (a plant alkaloid) hirsutic acid A nepetalactone (essence of cutnip) (a fimgul metabolito) H- H. I CH,0 E helminthosporal (a imgal toxu) D progesterone F cantharidin (a progestin hommone) (am insect vesicant) Br NO2 Br CI G untenine C (E)-1,6-dibromo-2,7-dichloro-3,7-dimethyloct-3-ene (fom red algae) (4 sponge metabolite)

B1) Draw all the Resonance structures for Cycloheptatrienyl anion, using arrows show the flow of electrons (delocalization) in each resonance structure.