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Concept explainers
(a)
Interpretation:
The structural feature that is associated with each type of hydrocarbon: alkane, cycloalkane, alkene and alkyne has to be given.
Concept Introduction:
Hydrocarbons:
The compounds which contains only carbon and hydrogen atoms bonding together are said to be hydrocarbons.
Types of Hydrocarbons:
Hydrocarbons are mainly classified into four groups:
- 1.
Alkanes - 2.
Alkenes - 3.
Alkynes - 4. Cyclic hydrocarbons.
Cyclic hydrocarbons may be
(b)
Interpretation:
The general formula for alkanes, cycloalkanes, alkenes and alkynes has to be given.
(c)
Interpretation:
The hydrocarbons that are considered to be saturated has to be given.
Concept Introduction:
Saturation:
The compounds for which addition of more hydrogens is not possible are said to be saturated.
Unsaturation:
The compounds for which addition of more hydrogens is possible are said to be unsaturated.
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Chapter 15 Solutions
Chemistry: The Molecular Nature of Matter and Change (Looseleaf)
- Nonearrow_forward3. Consider the compounds below and determine if they are aromatic, antiaromatic, or non-aromatic. In case of aromatic or anti-aromatic, please indicate number of I electrons in the respective systems. (Hint: 1. Not all lone pair electrons were explicitly drawn and you should be able to tell that the bonding electrons and lone pair electrons should reside in which hybridized atomic orbital 2. You should consider ring strain- flexibility and steric repulsion that facilitates adoption of aromaticity or avoidance of anti- aromaticity) H H N N: NH2 N Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic TT electrons Me H Me Aromaticity (Circle) Aromatic Aromatic Aromatic Aromatic Aromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic aromatic πT electrons H HH…arrow_forwardA chemistry graduate student is studying the rate of this reaction: 2 HI (g) →H2(g) +12(g) She fills a reaction vessel with HI and measures its concentration as the reaction proceeds: time (minutes) [IH] 0 0.800M 1.0 0.301 M 2.0 0.185 M 3.0 0.134M 4.0 0.105 M Use this data to answer the following questions. Write the rate law for this reaction. rate = 0 Calculate the value of the rate constant k. k = Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.arrow_forward
- 1. For the four structures provided, Please answer the following questions in the table below. a. Please draw π molecular orbital diagram (use the polygon-and-circle method if appropriate) and fill electrons in each molecular orbital b. Please indicate the number of π electrons c. Please indicate if each molecule provided is anti-aromatic, aromatic, or non- aromatic TT MO diagram Number of π e- Aromaticity Evaluation (X choose one) Non-aromatic Aromatic Anti-aromatic || ||| + IVarrow_forward1.3 grams of pottasium iodide is placed in 100 mL of o.11 mol/L lead nitrate solution. At room temperature, lead iodide has a Ksp of 4.4x10^-9. How many moles of precipitate will form?arrow_forwardQ3: Circle the molecules that are optically active: ДДДДarrow_forward
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