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4. Three part problem. The structure shown below is stabilized by resonance. H a.) Redraw this...
This structure could react with water to form a hydrate. Draw the mechanism of hydrate formation. Add the water molecule needed to the above reaction. Include curved arrows, intermediate structures, and the structure of the final product. When appropriate, use a water molecule or H3O+ to move a proton. н
(a) Draw two resonance structures of the cation shown, shifting only one clectron pair in each step. Be sure to include the formal charge on structures B and C. Only move one double bond. Each resonance structure should contain only one charge -a positive charge. (b) Use curved-arrow notation on the given structure A to show its conversion to structure B, and then on structure B to show its conversion to structure C. 1. Draw curved arrows to show conversion of resonance...
Three resonance structures of the following structure are possible. One resonance form is given below. Draw the remaining resonance structures, in any order, including nonbonding electrons. Omit curved arrows.
3) Consider the following structure: a) (6 pts) Draw two additional resonance structures for the following compound. Show curved arrows to convert between the resonance structures. (You need to redraw the molecule below) b) (4 pts) Circle the major contributor above. Explain your choice 4) (5 pts) For the following compound draw in the lone pairs, indicate if each lone pair is localized or delocalized and identify what type of orbital each lone pair is in
EO 3- resonance structures, formal charges, stability 1. Draw ONE possible significant additional resonance structure for each of the following ions. Use curved arrows to show the movement of electrons that creates each new resonance structure. (Hint: lone pairs are not shown. Start by drawing in all one pairs, and include all lone pairs and formal charges in your additional resonance structure.) Page 1 of 3 2. For each structure, draw the resonance structure that is indicated by the curved...
8. Provide the necessary reagents, reaction conditions, and structures in the rectangles below. 30 Ons 9. Draw a detailed arrow-pushing mechanism for the following transformations. Show each and every electron flow and bond change using two-headed curved arrows. Overall: NaOE/EXOH First step NatOEt + HC Second step: (redraw structure A here) Third Step: + HOE (redraw structure B here) Fourth Step: + Nat OE (redraw structure Chere) Fifth Step: che De (redraw structure D here)
The resonance structures of carbon monoxide are shown below. Show how each structure can be converted into the other using the curved-arrow notation. To draw an arrow, click on the structure to enter the edit mode, then click on the curved arrow icon.
Draw a second resonance from for the structure shown below. Draw a second resonance form for the structure shown below. CH3 I • Include all valence lone pairs in your answer. • In cases where there is more than one answer, just draw one. • Should you want to restart the exercise, the drop-down menu labeled == starting points == can be used to redraw the starting molecule on the sketcher. • In your structure, all second row elements should...
1. Identify all the functional groups in the following drug molecule. I Ĥ H 2. Draw all resonance structures for the following molecule and show electron movement using arrows. Pick the structure which is a major contributor to the resonance hybrid. 3. Draw curved arrows in the following reaction to show formation of product. ::
+ H+ Electrophilic aromatic substitution is a two-step process. In the first step an electrophile, here generically shown as Y , reacts with the aromatic ring to form a resonance-stabilized carbocation intermediate. In the second step, loss of a proton from the site of attack restores aromaticity to the ring and completes the reaction. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions no XT + H H- A