Please predict the products for each of the following reactions: 2. H₂O 1.03 NaNH, 1. n-BuLi 2. Mel 6 19 00 H₂SO4, H₂O HgSO4 10 H₂ Pd or Pt (catalyst) Lindlar's Catalyst CO D₂ (deuterium) 2 5 3 n-BuLi 2. H₂O₂, NaOH 1. (Sia)₂BH 1 NaNH, E:Br 2 Na, ND3 (deuterium)
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- Which of the conditions below would be correct for the transformation below 1. KMnO4, NaOH(aq) 2. H3O+ 2. H₂CrO4 (aq) 3. PCC in CH₂Cl2 4. (COCI)2, DMSO (cold); 2. Et3N 5. all of the above would workA wittig reaction experiment: Week 1 -》 preparation of phosphonium salt Materials : triphenylphosphine (5.3g),methyl Bromoacetate 3.36g (2.1ml) , ethanol 30ml . The yield obtained was 8.93g . Calculate the percentage yield Week 2 -》 Formation of the tlide and wittig reaction Materials :Phosphonium salt (5g), napthyl-2- carboxwaldehyde( 2.65g), 20 ml of water and 5 nl of Nahco3. Yield obtained was 0.51g .Calculate the percentage yield Week 3: Solvent free wittig reaction Materials: Benzyltriphenylphosphonium chloride (0.5g ), 4 - Bromoabenzaldehyde (0.24g), Potassium phosphate (tribasi c) 0.275g .The yield obtained was 1.21g. Calculate the percentage yieldPredict the products of NaBH4 reduction of the following compounds
- Some people have an allergic reaction to the food preservative sulfite (SO32−). Sulfite in wine was measured by the following procedure: To 50.0 mL of wine were added 5.00 mL of solution containing (0.8043 g KIO3 + 5 g KI)/100 mL. Acidification with 1.0 mL of 6.0 M H2SO4 quantitatively converted IO3− into I3−. The I3− reacted with SO32− to generate SO42−, leaving excess I3− in solution. The excess I3− required 12.86 mL of 0.04818 M Na2S2O3 to reach a starch end point. lO_3^- + 8l^- + 6H^+ rightarrow 3l_3^- + 3H_2O l_3^- + SO_3^2 - + H_2O rightarrow 3l^- + SO_4^2- + 2H^+ l_3^- + 2S_2O_3^2- rightarrow 3l^- + S_4O_6^2- Find the concentration of sulfite in the wine. Express your answer in mol/L and in mg SO32− per liter._____mol/L HINTS: Don't use scientific notation, do put zero before decimal point, carefully evaluate significant figures.1.1) What is the importance and uses of pure cobalt(II) sulphate? 1.2) Name the synthesis methods of cobalt(II) sulphate (CoSO4.7H2O). 1.3) Name the purification methods of cobalt(II) sulphate (CoSO4.7H2O).2.1) Propose synthesis methods for cobalt(II) sulphate (CoSO4.7H2O). 2.2) Propose purification methods for cobalt(II) sulphate (CoSO4.7H2O).A 0.9056 g sample of KBrO3 (MM=167.0) was dissolved in dilute HCl and treated with an unmeasured excess of KI. The liberated iodine required 37.21 mL of Na2S2O3. Calculate the molar concentration of sodium thiosulfate. 1 mol BrO3- = 3 mol I2 = 6 mol S2O32- 0.8744 M 2.623 M 0.8791 M 0.2915 M
- Is this reaction a feasible method of removing SO2? Why or why not?16.0g of O2 reacts with an excess amount of C3H6. Calculate the ads of H2O produced. C3H8 + 5 O2 -> 4 H2O + 3 CO2Using the HSAB theory, predict the direction of the ff. reactions and explain. a. CdI2 + CaF2 ↔️ CdF2+CaI2 b. NH2- + H20 ↔️ NH3 OH- c. H2Po4- + H2O ↔️ H3PO4 + OH-
- Write the equations involved in the following reactions:(i) Wolff-Kishner reduction(ii) Etard reactionChapter #12, Question #4: Water from a lake in an area with limestone bedrock has a chemical composition as on p. 310. If the organic matter (HM) content of the water is 12 mg L-1, show that charge balance is adequately maintained. ***If you find that charge balance is not maintained from the tabulated concentrations, calculate the carboxylate concentration (CCOO−) in the HM., aminobenzene sulfonic acid will be synthesized, called sulfanilic acid. This will be done by (1) sulfonating an aniline with sulfuric acid. The first step in this reaction will be the formation of salt, anilinium bisulfate (2). When the salt becomes heated, it will then produce sulfanilic acid (3). Since the compound will contain both an acidic group, -SO3H, and a basic group, -NH2, an internal acid-base reaction can produce a dipolar ion (4). What is the mechanism for this reaction using proper curved arrow notation?