Student XXX-XX unknown liquid compound bumed with a sooty flame. The unknown gave an orange precipit...
Pretest #2 An unknown compound with formula C H O gave a sooty flame when burned tip of a spatula. When reacted with 2,4-dinitrophenylhydrazine an orange-rec precipitate resulted. The unknown also gave a positive test with the Tollens a Schiffs reagenta. When a fow drops of the unknown was added to the reddish. Reagent, a blue-green color resulted. The mass spectrum of the unknown is ah below. 100 83 43 40 Ills 50 20 30 60 70 80 90 100...
1. Part 2 white complete structures for the major product(s) resulting from the following reactions. Ao Propanal + 2,4-dinitrophenylhydrazine --- 2-hexanol + ZnCl2 + HCI ----.. . . isopropyl alcohol + CrO3/H2S04 --- 1-butene + Br2/CH2Cl2 → In the space below, draw structures for the following: a. Bromobenzene b. Butanal Acetophenone Benzaldehyde e. Aniline 3. The following observations are frequently made in the laboratory. In each case below state in The following cheer brief terms, the deduction or deductions which...
The **C NMR and mass spectrum of an unknown compound is shown below. The unknown gave an immediate precipitate when treated with 2,4- dinitrophenylhydrazine. When treated with the iodoform reagent, the unknown gara yellow precipitate. a. What is the structure of the unknown? What is the structure of the yellow precipitate that resulted when the compo was treated with the iodoform reagent? ita wi o mo 40 50 60 ther than ito 70 80 90 100 110 120 130 140...
13. What can you say about an unknown compound that gave a pouldve test with 2 hydrazine and a positive test with the Jones Reseat? now compound that gave a pouldve test with 2,4-dinitrophenyl 14 What can you say about sa unknown compound when dissolved in distilled water and tested with peper, pave an estimated pH of about 81. 15. What can you say about an unknown compound that turned a wet plece al blue litmus red? 16. What can...
I am trying to find the compound? If it is unknown what compound is it? i need to find the compound from the given spectrum Unknown #315-S20-2 Mol. Wt. = 181.0 g/mol C = 33.17% H=5.01% 0 = 17.68% Mass Spectrum IR S 100- HS-1W-2525 A M = 101 Relative Intensity TEMETTRE o proti temperaturniejowerpoi 25 50 75 100 125 m/ n 150 t 175 Based on the M.W., circle & label the molecular ion peak (M). Spec Regie From...
compound with an IR peak around 1700 em gave a yellow pecipitate with iodoform test. The compound was reacted with Tollen's reagent but no silver mirror formed. A probable structure for this compound is 8. Read the table below Boiling Point °C 182-185 Benzylamine 184 Compound Derivatives melting point (C) Benzamide 105 163 Picrate 199 198 Acetamide 60 144 Aniline For an unknown sample, if its boiling point is about 183-184 °C, which derivative test is not suitable to identify...
An unknown compound with formula CaHo0, gave a negative test with dinitrophenylhy drazine; however, the unknown tested positive with the Jones reagent. When added to a solution of bromine dissolved in methylene, the reddi solution turned colorless. The mass spectrum of the compound is shown below. 3. 100 92 134 77 105 50 115 51 55 63 39 31 43 80 50 100 110 120 130 60 40 90 30 a. What is the structure of the unknown. b.What is...
qucntly mode on or deductions which Tc of the compound The following Observations are frequeno in the lab. In tach case below state in belicf terms, the deduction or deducto merdes made as to the nature of the Thear study The mass spectrum of an unknown Compound Berealed on Mt fragment at m/2=121 go un nown Compound produced a branit red 2,4-dinitrophenulhudrazone whep reached with 2.4 dinitrophenylbyde an unknown solid compound gone a Meting point of 123-130°C an incrown compound...
Given the NMR and IR graphs, which unknown compound fits your graph, and fill out the tables about your unknown. STANDARD 1N OBSERVE Archive directory! Sample directory: F1101 PROTON A 14 Pulse Sequence! s2pul Solvent: CDC13 Ambient temperature Mercury-300BB Hvarian300 Relax delay 1.000 sec Puis 45.0 degrees Acg. time 1.996 sec Width 4803.1 MZ & repetitions OBSERVE NL, 233.9587289 MHZ DATA PROCESSING FT size 32768 Total tine min. 25 sec 2.8 0 ppm 0.94 1604 1081 1364 3063 534 1384...
please identify the unknown and write a derivative Unknown compound 3 Clear liquid Physcial Properties Solubility Dissolve in ethyl ether Not dissolved in water Boiling point 77 IR spectrum Transmitance 3000 1000 2000 Wavenumber cm-1) Classification Positive test in Alkaline Iron (III) Hydroxamate test test CLASSIFICATION TESTS These tests must be done together with known AND FOLLOW PROCEDURE IN YOUR TEXT CARBOXYLIC ACIDS are detected by teating aqueous solutions with limus or pH paper. Also, disolve In NaHCO with bubbles...