Concept explainers
a)
Interpretation: A dotted line that connects each partial positive charge density to nearby partial negative charge density should be drawn.
Concept introduction: Electronegative elements have tendency to attract electrons towards it. Since electrons are shared more towards electronegative element, it acquires partial negative charge on it. As a result, other bonded atom forms a partial positive charge.
b)
Interpretation: The reason for the higher boiling point of
Concept introduction: Dipole moment is the measure of bond polarity in a molecule. It is defined as product of charge and distance of separation between opposite charges. Polar molecules consist of dipole moments due to presence of charges in them, whereas non-polar molecules do not have dipole moments. Boiling is used to define when a substance gets converted from its liquid to vapor phase at the boiling point. The temperature at which the vapor pressure of liquid and atmospheric pressure becomes equal is called boiling point.
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Organic Chemistry: A Guided Inquiry
- Change 1,2-ethanediol into 1,2 ethenediol (HOCHCHOH) by removing one hydrogen atom from each carbon atom and replacing with a double bond between the carbon atoms. Be sure to add the second rod to represent the double bond. Draw a Lewis structure for 1,2-ethenediol. A. Identify the electron-pair and molecular geometry around each carbon and oxygen atom. B. What are the bond angles for H-C-C? For C-C-O? For C-O-H? C. Draw two different structures of the molecule in which the –OH group on the two carbon atoms occupy different orientations with respect to each other.arrow_forwardOnly answer Question 8: A, B, & C Please.arrow_forwardConsider an organic molecule with the molecular formula C13H10O. a. Propose a chemically correct structure for this molecule that contains a ketone. b. Propose a chemically correct structure for this molecule that contains a functional group other than a ketonearrow_forward
- Which structure has the most electron density on the carbon atomarrow_forward2. On this molecular structure, acetic acid, mark * only on those hydrogen atoms which will form hydrogen bonds. Next draw two more copies of this molecule and show a hydrogen bond between them. H. H.arrow_forwardPlease help me complete this tablearrow_forward
- Facts are stated in the table below about three common alcohols. Each alcohol has at most 3 carbon atoms per molecule. In the third column of the table, write the systematic (IUPAC) name of each alcohol. Also, in the drawing area below the table draw the chemical structure of 3. (You can draw a condensed or skeletal structure, whichever you prefer.) Part 1 of 2 alcohol 1 2 3 Part 2 of 2 some facts By far the greatest use of this alcohol is in "alcoholic" beverages such as beer, wine, and spirits. But it's also used as a minor ingredient in over-the-counter medications like cough syrup. This poisonous alcohol is a typical major component of car antifreeze. This alcohol is not safe to eat or drink, but it is often used topically (e.g. on the skin) in the clinical setting because it is a good disinfectant and has a lower toxicity than similar light alcohols. Molecular structure of 3: Click and drag to start drawing a structure. 0:0 0 X 5 systematic (IUPAC) name E to è 0 0 0arrow_forwardConvert each condensed formula to a Lewis structure. a. CH3(CH2)4CH(CH3)2 b. (CH3)3CCH(OH)CH2CH3 c. (CH3)2CHCHO d. (HOCH2)2CH(CH2)3C(CH3)2CH2CH3arrow_forwardA2 1. An alkyne with molecular formula C5H10 2. A ketone with molecular formula C4H8O 3. A ketone with molecular formula C3H8O 4. An alkene with molecular formula C5H8 5. An alkene with molecular formula C5H10 6. An aldehyde with molecular formula C2H4O 7. An aldehyde with molecular formula CH4O 8. A saturated hydrocarbon with molecular formula C6H14arrow_forward
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