Give the flow diagram for the separation of 2-methoxynaphthalene and trans-cinnamic acid by filling in the empty boxes with the correet structures and reagents OH Add EtOAc Add HaO in H20 in E1OAC Add EtOAc Dry over MgSO, (anh) Filter Distill off E1OẠC Add Dry over MgS0, (anh) Filter Pure Compound Dietill offf EtOAc
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Given is separation flowchart.
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- Calculate the pH of two HCl solution based on their concentrations of 0.001 and0.0001 M. Then calculate the pH of a solution when you add each of these to a closed carbonicacid system with mcarb-t = mH2CO3 + mHCO3- + mCO32- = 0.01 m and pH = 6. At that pH, mH2CO3 =10-2.16; mHCO3- =10-2.51; mCO32- is negligible.4. (4a) + NaHCO, - H2O + (4b)_ 5. CH;COOH + CH;CH2OCOCH3 + H2O -COCH3 6. (6a) (6b) - + H2Oplease make the explanation clear and thank you for your help
- Identify the reagent used in the following transformation: OH P Q HO HO P = LIAIH, Q = KMNO, Q = MnO, / CH,Cl, Q = Ag,CO, on celite, PhH (A) (B) P= NABH, /MeOH %3D (C) P=CeCl,.7H,O (D) P= NABH, /CeCl,.7H,0 , / CeCly.7H,O Q = MnO, / CH,Cl,Calculate the [NH3] in a solution of 0.650M ammonium fluoride (NH4F). Hint: Use the Ka of HF (6.8 x 10 4) and the Kb of NH3 (1.8 x 10-5) to calculate Kc for the reaction NH4*(aq) + F(aq) = NH3(aq) + HF(aq).Calculate the [NH3] in a solution of 0.210 M ammonium fluoride (NH,F). Hint: Use the Ka of HF (6.8 x 10-4) and the Kb of NH3 (1.8 x 10-5) to calculate Kc for the reaction NH4+ (aq) + F(aq) NH3(aq) + HF(aq).
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- compound With chemical formol a CyH10 0 Results of chemical te st for c4 Hio O chemical Test molisch obseruations ninny drin 2,4 -DNP hot acidic kMn Oy turbid coloriess sol'n cle ar pale-yellow solin | clear orange -yellow solution lear porple sol oti on clear pare - yellow soln lodoform 1. answer paitive in chemi cal reaction weather (+) E) - regatiue wnat is the function al CyHioO? what is the probable structure 0f line bond 2. group [lass of Cattio 0? Draw Osing and tewis stwiture57% O P 6:01 Asiacell l. التجربة الرابعة - اول مسائي.pdf امتحان بالتجربة الرابعة المرحلة الأولى مسائي Answer these questions: Examination time: 30 min Q1// Complete these statements: 1- Titrand should be put in ..... 2- Indicator should be added to ..... 3- Titrand have known ....... and unknown ...... 4- Indicator is used to ........ 5- Titrant have known....... and unknown ......... 6- Titrant should be put in ... Q2// prepare 0.1 N standard solution of C,H204.2H;O in 50 ml of distilled water, using the law of molar concentration above, if the atomic weight of C = 12 0=16 H=1 Q3// Write these chemical equations: 1- Reaction of hydrochloric acid aqueous solution & sodium hydroxide aqueous solution 2- Reaction of sodium hydroxide and water 3- The net ionic reaction of (reaction 1) Assistant Professor/ Dr. Nidhal. Yousif. Mohammed6. For the ionization of phenylacetic acid, C6H5CH₂CO₂H + H₂O = H3O+ + C6H5CH₂CO₂ K₂ = 49 × 10-5 (a) What is [C6H5CH₂CO₂] in 0.186 M C6H3CH₂CO₂H? (b) What is the pH of 0.121 M C6H3CH₂CO₂H?