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Chem Final- Lect 18
Lecture 18- 9.1
| Question | Answer |
|---|---|
| In 1828 Friedrich ________ prepared _____ from _______ and _______ | Wohler, urea, ammonia, cyanic acid |
| What is the atomic number and group of carbon? | 6, 4A |
| What is Carbon's electronegativity? | 2.5 |
| What type of bonds does Carbon tend to form? | Covalent |
| What makes a Carbon bond reactive? | heteroatoms (other elements) |
| Are C-C and C-H bonds reactive on their own? | No |
| Bonds of Alkanes? | single |
| Bonds of Alkenes? | double |
| Bonds of Alkynes? | triple |
| What is special about Aromatics? | contain six carbon rings |
| What are Hydrocarbons? | Contain only carbon and hydrogen |
| What is it called when Hydrocarbons contain additional atoms or groups of atoms? | Functionalized hydrocarbons |
| What is a group of atoms that is largely responsible for the chemical properties of the parent molecule? | Functional group |
| Common functional group: Identify OH | Hydroxyl |
| Common functional group: Identify NO2 | Nitro |
| Common functional group: Identify NH2 | Amino |
| Common functional group: Identify CH3 | Methyl |
| Common functional group: Identify F, Cl, Br, and I | Fluoro, chloro, bromo, iodo |
| Common functional group: Identify CN | Cyano |
| What is Paracetamol also known as? | Acetaminophen |
| What is the organic compound called that can be found in spicy peppers? | Capsaicin |
| Is caffeine an organic compound? | Yes |
| What are most organic compounds derived from? | Hydrocarbons |
| What does Aliphatic mean? What does it NOT include? | Class without benzene ring, does not include Aromatic |
| Are Alkanes saturated Hydrocarbons? | Yes |
| What is a saturated Hydrocarbon? | contain maximum of H atoms that can bond with the number of C atoms present. |
| What is the general formula for Alkanes? | C(n)H(2n+2) |
| Name the Alkane and chemical structure--> n=1 | CH4, methane |
| Name the Alkane and chemical structure--> n=2 | C2H6, ethane |
| Name the Alkane and chemical structure--> n=3 | C3H8, propane |
| What shape is methane? | Tetrahedral |
| In Alkanes, is there a rotation about the C-C single bond? If so, which element? | Yes, propane |
| Alkanes are a homologous series. This means that they exhibit properties that vary in a regular and predictable manner. What do they differ in? | CH2 groups |
| What are the first four Alkanes? | Methane, ethane, propane, butane |
| What are the names for the rest of the Alkanes? (5-10) | pentane, hexane, heptane, octane, nonane, decane |
| What state are the first four Alkanes in at room temp? | Gas |
| What state are Alkanes n=4-10 in at room temp? | Liquid |
| The melting and boiling points of Alkanes _______ by increasing molecular size because of the increasing ______ ______ | Increase, dispersion forces |
| What are molecules with the same molecular formulas but different structure (different order of bonding atoms) called? | structural isomers |
| Is n-butane linear or non-linear? What is the shape of the molecule? | linear, cylindrical |
| Is Isobutane linear or non-linear? What is the shape of the molecule? | non-linear, spherical |
| How many carbon atoms does an Alkane need to have to form a structural isomer? What is the first one called? | 4, butane |
| Does n-butane or Isobutane have stronger dispersion forces? | n-butane |
| What does iso imply? | non-linear, carbon connected to carbon |
Created by:
alynch4
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