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- Under strongly acidic conditions, hexane is observed to undergo an isomerization process, during which it is converted into branched alkanes having the same molecular formula as hexane (C6H₁4). The rate at which each constitutional isomer is produced is related to the type of acid that is used in the reaction and the degree of mixing that occurs during the reaction (J. Chem. Soc., Perkins Trans. 2 1999, 12, 2715-2718). Step 1 Draw a bond-line structure of hexane. Draw Your Solution There are four branched isomers of hexane. Draw bond-line structures of all four of its isomers. Draw Your SolutionGiven the Ka values (in parentheses) for the following acids: HSO4– (Ka= 1.2 x 10–2); HNO2 (Ka= 4.0 x 10–4); HC2H3O2 (Ka= 1.8 x 10–5); Calculate Kc values for the following acid-base equilibria: (a) HSO4–(aq) + C2H3O2–(aq) ⇌ HC2H3O2(aq) + SO42–(aq) (b) HC2H3O2(aq) + NO2–(aq) ⇌ HNO2(aq)+ C2H3O2–(aq)(a) Write the structures of the following compounds and mark them as chiral or achiral. 4 (i) 2-Bromopentane (ii) 3-Bromopentane (iii) 1-Bromo-2-methylbutane (iv) 2-Chloro-3-methylbutane (b) Identify the asymmetric carbon in the chiral compounds. (c) Write the structure of the other enantiomer of the chiral compounds.
- (b) (d) CH3 CH3CHCH₂CH₂CH₂Br SCH₂CH3 1. (NH₂)₂C=S 2. NaOH, H₂O H₂O2, H₂O, ? ?Provide the isomers of Vanillin (C8H8O3) and explain how we are sure which isomer the HNMR and CNMR data attached correspond to.1. Write down the unique reactions in organometallic chemistry with suitable examples. 2. Why co-ordination compounds became more colorful in solution form then normal organic compounds.
- 2. (i) List all the intermolecular forces presented in the following substances. And list these substances in order of increasing boiling point (lowest first). CH;OCH; CH3CHO C2H6 CH3COOH C2H;OH (ii) State whether each compound is polar or non-polar, explain the order of boiling points in (1). (iii) Which of these two compounds, CH;OCH; and CH;CH2OH, would be more soluble in water and why?Which compound in each of the following pairs would have the higher boiling point? .Explain your answers (1) or HO. (a) (Ь) (2) HO HO. or HO. (b) (а) (3)[ OH or (a) (b)Question: What is the impact of molecular chirality on the pharmacological activity of drugs, and how can it be harnessed for the development of more effective therapeutic agents?
- 7. Please provide correct answers. Thanks in advanceSelective serotonin reuptake inhibitors (SSRIs) are commonly prescribed antidepressants. SSRIs block the reabsorption of the neurotransmitter serotonin in the brain. Changing the balance of serotonin helps brain cells send and receive chemical messages, which in turn boosts mood. Two SSRI medications are Faverin (fluvoxamine, C15H21F3N2O2 ) and Zoloft (sertraline, C17H17Cl2N ). Determine the molar masses of Faverin and ZoloftConsider the reaction between (1S,3S)‑1‑chloro‑3‑methylcyclopentane and methanethiol in the presence of sodium hydroxide. (a) Draw the organic product and clearly indicate stereochemistry by showing the hydrogen on the chirality centers and using wedge and dash bonds. (b) Then analyze the stereochemistry of the product. racemic chiral achiral (1R, 3S) (1R, 3R) (1S, 3S)
