What does a theoretical yield of 0.0488g and a percentage error of 3.6% mean in a Grignard synthesis of benzophenone to make phenylmagnesium bromide
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- In preparation of p-Nitroaniline, Starting material is 50g of p-nitroacetanilide, 22ml of HCI, 20g of p-nitroaniline. Give % yield of nitro acetanilide.Provide the structural formula of the products that are formed when acetophenone reacts with these reagents: 1. NaBH4 in Methanol 2. Ag(NH3)2+ 3. C6H5MgBr, then H3O+ 4. H2 in Pt 5. Hydroxylamine 6. Phenylhydrazine 7. LiAlH4 then water 8. HCN 9. Diethylamine 10. 2 CH3OH, HCl catalystA student attempted to prepare 1-chlorobutane by mixing 1-butanol with NaCl in acetone. Was the student succesful? Explain.
- In preparation of p-Nitroaniline, Starting material is 50g of p-nitroacetanilide, 22ml of HCI, 20g of p-nitroaniline. Give % yield of nitro acetanilide. What is the objective of experiment? What is product prepared?In preparation of p-Nitroaniline, Starting material is 50g of p-nitroacetanilide, 22 mL of HCI, 20g of p-nitroaniline. Give % yield of nitro acetanilide. What is the objective of experiment?What is the structural requirement for a substance to react with ammoniacal AgNO3? Why would acetylene react with Tollen's reagent but not cyclohexane or cyclohexene?
- Q1/ Do as required: 1- The role of HSO, in Preparation of Nitrobenzene. Explain 2- The using of NaOH with 2-naphthol in preparation of azo dye? 3- Preparation of Nitrobenzene in cool phase. 4- Adding HCI in the preparation of aniline from nitrobenzene. 5- When acetanilide reacts with bromine (x), acetanilide gives p-bromo acetanilide only, why? 6- In an experiment Hydrolysis of Acetanilide What color does the litmus nanerData: Nitration of methyl benzoate: Weight of filler paper: 0.682g Mp product: 76-77 C Nitration of Acetanilide: Weight of filler paper: 0.691g Weight of filler paper product: 1.232g Mp product: 212-214 C calculate the theoretical yield for the mononitration of (a) acetanilide and (b) methyl benzoateA 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 yield
- Calculate the theoretical yield and percent yield of the product formed from. Reaction between 1.005g Tetraphenylcyclopentadienone and 1.203 Maleic Anhydride with 15mL of xylene The yield obtained was 1.097g. What is the name of the product?What is the percent yield of the hydroboration oxidation of 1-octene to form 1-octanol? Original amount of 1-octene added 840 uL 2 mL of 1M borane THF added For oxidation 1.2mL of 3M NAOH and 1.2 mL of 30% hydrogen peroxide 2 mL of diethyl ether used for extraction 5.11g obtained as final product.Calculate the percent yield and theoretical yield for the following reaction: reduction of 9-Fluorenone to 9-Fluorenol 0.1063 of 9-Fluorenone 1.75 mL of methanol 0.1432 g of sodium borohydride Final weight of 9-fluorenol = 0.1557 g