(a)
Interpretation: The explanation corresponding to the given statement, “the homolysis of the
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.
Resonance is the delocalisation of
(b)
Interpretation: The reason for the shorter
Concept introduction: The bond length is inversely related to the bond strength. Bond length is defined as the distance between the centers of the nuclei of two bonded atoms in a molecule. It is determined by bond order. The increasing
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Organic Chemistry
- HBr 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_forwardDraw an energy diagram for each reaction. Label the axes, the starting material, product, transition state, ΔH°, and Ea. a. a concerted reaction with ΔH° = –80 kJ/mol and Ea = 16 kJ/mol b. a two-step reaction, A → B → C, in which the relative energy of the compounds is A < C < B, and the step A → B is rate-determiningarrow_forwardConsider the reaction H2S = S(s) + 2H* + 2e¯ This reaction can proceed via the addition of а. 13 b. I- O b aarrow_forward
- 22. Write the structure(s) of the product(s) for each of the reactions below. a. b. C. 1. NBS, CC14 2. KOC(CH3)3, HOC(CH3)3 H₂O H₂SO4 HBr etherarrow_forwardWhy does bromination reactions occur only on more stable radicals? O a. Br₂ is less reactive than Cl₂. O b. Br₂ is more reactive than Cl₂. O c. Br₂ is less selective than Cl₂. O d. Both a and c.arrow_forwardWrite the reaction between ammonia, NH3, and hydrosulfuric acid, H2S. NH3 + + In this reaction completes the reactant side while and complete the products side. а. NH3 b. NH4+1 с. HS-1 d. H2S е. Н20 f. H30+1 9. ОН-1arrow_forward
- Draw the structure of the major organic product(s) of the reaction. H₂C. CH₂ O 1.2 CH₂MgBr, ether 2. H₂0*arrow_forward11. Draw the structure for the molecule that would yield the products shown below under the indicated reaction conditions. Br 1 molar eq HBr -78 °C 1 molar eq HBr 50 °C Brarrow_forward21. CH3CH=CH2 – CH3CH2CH3 What reactants (and catalysts) are needed to make the reaction above occur? a. heat, pressure Ob. HCI с. Н20, Н2SO4 Od. H2, Ptarrow_forward
- 7. What is the major organic product obtained from the following reaction? a. 1 b. 2 c. 3 d. 4 CH3 1. BH3 2. H₂O2. NaOH CH3 CH3 H3C OH HO CH3 OH "OH OH 3arrow_forwardFor each of the following processes predict the sign of AS for the reaction. In other words, will AS sys be positive (an increase in entropy) or negative (a decrease in entropy)? AS sys is expected to be positive (an increase in entropy) because one molecule is converted into two molecules. AS sys is expected to be negative (a decrease in entropy) because a cyclic compound is converted into acyclic compounds. O AS sys is expected to be positive (an increase in entropy) because an acyclic compound is converted into cyclic compounds. O AS sys is expected to be negative (a decrease in entropy) because two molecules are converted into one molecule.arrow_forwardredict the major products of this organic reaction: AICI 3 ? ote for advanced students: you may assume that an excess of benzene is used as part of the reaction conditions.arrow_forward
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