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Answer is
Degree of unsaturtion is 8
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- Shown below is the C13 NMR spectrum of one of the three isomeric dichlorobenzenes. Is the compound= 1,2-dichlorobenzene 1,3-dichlorobenzene 1,4-dichlorobenzeneDraw the structure of the important peaks in the mass spectrum of C9H8O (unsaturation = 6) Major Peaks: m/z = 132, 103, 77, 53Draw examples of the following: (a) A meso compound with the formula C8H18 (b) A meso compound with the formula C9H20 (c) A compound with two chirality centers, one R and the other
- One of the following molecules (a)–(d) is d-erythrose 4-phosphate, an intermediate in the Calvin photosynthetic cycle by which plants incorporate CO2 into carbohydrates. If d-erythrose 4-phosphate has R stereochemistry at both chirality centers, which of the structures is it? Which of the remaining three structures is the enantiomer of d-erythrose 4-phosphate, and which are diastereomers?Identify the structures of isomers H and I (molecular formula C8H11N).a.Compound H: IR absorptions at 3365, 3284, 3026, 2932, 1603, and 1497 cm−1b.Compound I: IR absorptions at 3367, 3286, 3027, 2962, 1604, and 1492 cm−1which of the following cannot be distinguished by an infrared spectrum I) resonant hybrids II) tautomers (keto-enol) III) enantiomers IV) cis-trans isomers a) II,I,III b) II,III c)I,III d)IV
- Propose a structure for the compound that fits the following description. C10H14 7.0 δ, (4H, broad singlet) 2.85 δ (1H, septet J = 8 Hz) 1.20 δ (6H, doublet J = 8 Hz) 2.28 δ (3H, singlet) IR: 825 cm-1 5(a) Degree of the unsaturation of this compound is= , 5(b) Two peaks at 2.85 δ and 1.20 δ indicate that the compound has .......... group = 4(c) A peak at 2.28 δ indicates that the compound has ............. group= 4(d) IR absorption indicates the compound is .........-disubstituted = 4(e) The name of the compound is =Which of the following absorbances represents the alkyl group on this molecule's IR spectrum- CH3CN? 1,710 cm-1 less than 3,000 cm-1 2,150 cm-1 greater than 3,000 cm -1 3,300 cm-1Determine the Ksp of the following reactions. a. NaC2H3O2 Na+ + C2H3O2- b. HBr H+ + Br c. Zn(OH)2 Zn+2 + 2HO- d. PbCl2 Pb+2 + 2Cl- e. SnSO4 Sn+2 + SO4-
- Which of the following techniques will confirm that theconstitutional isomers propyl benzene and isopropylbenzene are structurally different?a. FTIRb.1H NMRc. 23Na NMRd. UV/VISHi, I need help with 7c. For 7a I got 3 asymmetric centers and for 7b I got 8 possible stereoisomers.the stereocenter labelled in blue has an a. R absolute configuration b. S absolute configuration