Concept explainers
(a)
Interpretation: The carbon radical formed by the homolysis of each type of
Concept introduction: The formation of carbocation, carbanion and free radical occur due to the heterolysis or homolysis process. Homolysis is opposite to the heterolysis. It forms radical with an unpaired electron. Heterolysis is a process in which unequal sharing of electrons results in breaking of the bond.
Carbocation behaves as electrophile due to lack of electrons and incomplete octet, whereas carbanion behaves as a nucleophile in the
(b)
Interpretation: The stronger
Concept introduction: The energy which is released or absorbed in the chemical reactions is referred to as
(c)
Interpretation: More stable radical formed from propane is to be identified.
Concept introduction: The formation of carbocation, carbanion and free radical occur due to the heterolysis or homolysis process. Homolysis is opposite to the heterolysis. It forms radical with an unpaired electron. Heterolysis is the process, in which unequal sharing of electrons results in breaking of the bond.
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PKG ORGANIC CHEMISTRY
- Is the organic reaction below correct and complete? Are all the major products shown, and is each one correctly drawn? • If the reaction is complete and correct, check the box under the drawing area. • If it's not, fix it, by correcting reactants, products, or reaction conditions. But only choose one of the three to fix. For example, you can fix the products or fix the reaction conditions but not both. + T ك Br HBrarrow_forwardThe bond energies of Cl-Cl, C-C and C-H are 59 Kcal/mole, 90 Kcal/mole and 105 Kcal/mole respectively. Considering the reaction of ethane with Cl2, which of the following statements are correct? Question 38 options: A. When heat is the source of energy, Cl-Cl bond is the easiest to break B. When light is the source of energy, Cl-Cl absorbs visible light, but ethane does not C. If heat is the source of energy, the C-H bonds breaks easily compared to other bonds involved in the reaction D. If heat is the source of energy, C-C bonds breaks easily compared to other bonds involved in the reaction Both A & Barrow_forwardHBr addition to ethylene is exothermic. What does this mean? Options: The rate determining step is the first step. The newly formed bonds are more stable (higher dissociation energy) than those broken in the reactants. The carbocation intermediate is higher energy than the alkene. The reaction is very fast.arrow_forward
- Draw a structural formula for the substitution product of the reaction shown below. Br H NH3 CH₂OH • Use the wedge/hash bond tools to indicate stereochemistry where it exists. If more than one stereoisomer of product is formed, draw both. • Separate multiple products using the + sign from the drop-down menu. • Products that are initially formed as ions should be drawn in their neutral forms.arrow_forwardPart I. Free Energy - What's Up With That? 1. Write out the equation for Free Energy and define what each letter represents. 2. Where is energy stored in organic molecules? What term in the equation above represents this stored potential energy in a molecule? 3. Every chemical reaction loses some energy to entropy, every time. Briefly explain how making entropy smaller or larger effects the free energy in a reaction?arrow_forwardFormation of NO from nitrogen and oxygen is an endothermic process. Which statements are true about the bonds of this reaction? a.) Products have lower PE because product bonds are stronger than reactants b.) Products have higher PE because product bonds are weaker than reactants c.) Products have lower PE because product bonds are weaker than reactants d.) Products have higher PE because product bonds are stronger than reactantsarrow_forward
- Draw structural formulas for organic products A and B in the window below. -CH₂CI Li pentane Cul B • Draw only products having the organic portion of the original alkyl halide. • Draw carbon-lithium bonds using the single bond tool. If a structure has a copper-lithium bond, do not draw the lithium. Separate products from different steps using the → sign from the drop- down menu.arrow_forwardComplete each reaction giving the product or the reactants, whichever applies.arrow_forwardChoose the correct product for each reaction. A. B. C. D. PPh3 H PPh3 || I ။arrow_forward
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