Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 12. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) དང་ཡི་ ་་་་་ HO OH O stable OH O stable unstable Ounstable olo Ar i Ostable HO Ostable ☑ Ounstable Ounstable Click and drag to start drawing a structure.
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- Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 1. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) OH O stable O unstable OH X 5 O stable O unstable O stable O stable O unstable OH O unstable OHDecide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 2. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) OH Ostable O unstable O stable O unstable OH OH u Ostable O unstable O stable O unstable 0 AJ :0 Ahm X trDecide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH=2. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) OH OH HO Ostable Ounstable O stable Ounstable HO Click and drag to start drawing a structure. stable Ounstable O stable Ounstable ☐ X 口: G EX olo
- G Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 11. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) X OH Ostable Ostable Ounstable Ounstable OH OH Ostable Ounstable stable Ounstable [H ח' :0 X GSelect the bonds in the 3D representation of methyl urethane below that are multiple bonds. (Hint: Consider the number of bonds attached to an atom in the image compared to the normal valence of that atom. In a valid structure, the number of bonds to an atom will equal the valence of that atom.) • Gray = C: white = H; red = 0; blue = N; dark green = Cl; brown = Br; light green = F; purple = 1; yellow = S: orange = P. • Double click to select bonds. You can zoom in and out using the mouse scroll wheel (or pinch to zoom on touch screens). ●Your chemistry professor draws a number of molecules on the board: (1) CH4 ; (2) H2C=CH2 ; (3) H2C=C=CH2 ; and (4) H2C=C=C=CH2. You muse about all the molecules that chemists draw on a two-dimensional board and wonder which ones are actually planar, existing basically as they appear on the board, and which ones are not plane but rather three-dimensional. Answer ALL of the following questions. What are the specific orbital overlaps (i.e., sp3-sp3) that are in each of the molecules? What are the bond angles for each central atom in each molecule? Which molecules are planar and which are non-planar?
- Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 12. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) HO OH OH stable Ounstable stable unstable Click and drag to start drawing a OH stable Ounstable Ostable Ounstable C C X S X c+ ŚDecide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH=1. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) OH HO Ostable of Ounstable OH Ostable Ounstable Ostable Ounstable O stable Ounstable : G Π P alo.Draw a structural formula for the one constitutional isomer of the unbranched alkane C7H16 in which the longest carbon chain has 4 atoms. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.
- Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 2. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than one molecule is unstable, you can pick any of them to redraw.) OH OH Ostable Ounstable Ostable unstable Ostable Ounstable OH 15 OH Ostable Click and drag to start drawing a structure. Ounstable O '7 X 0:0 X to SYour chemistry professor draws a number of molecules on the board: (1) CH4 ; (2) H2C=CH2 ; (3) H2C=C=CH2 ; and (4) H2C=C=C=CH2. You muse about all the molecules that chemists draw on a two-dimensional board and wonder which ones are actually planar, existing basically as they appear on the board, and which ones are not plane but rather three-dimensional. Answer the following questions. What is the geometry and hybridization of the carbon in CH4? What is the geometry and hybridization of each central carbon atom in the remaining molecules? Draw each molecule showing the bonds and identify each bond in all the molecules as s or p. What are the specific orbital overlaps (i.e., sp3-sp3) that are in each of the molecules? What are the bond angles for each central atom in each molecule? Which molecules are planar and which are non-planar?Consider the molecule below. HICA H3C Br CBCH3 CH3 How would you characterize the personality of the molecule above? [Select] Would the reactive part of this molecule react with equal probability on the top or bottom face? [Select] Could this molecule undergo a rearragement, and if so, what would it become? [Select] Which carbon atom has a greater partial positive both Ca and Cb have equal am◇ charge? Which atom would make a bond with a nucleophile? Br