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Some problems using C and H 2 D NMR

Some problems using C and H 2 D NMR. A compound has a molecular weight of 114 mass units and is know only to contain C, H, and O. What are the possible formulas?. A compound has a molecular weight of 114 mass units and is know only to contain C, H, and O. What are the possible formulas?

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Some problems using C and H 2 D NMR

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  1. Some problems using C and H 2 D NMR

  2. A compound has a molecular weight of 114 mass units and is know only to contain C, H, and O. What are the possible formulas?

  3. A compound has a molecular weight of 114 mass units and is know only to contain C, H, and O. What are the possible formulas? 114/13 = 8.769; 13*0.769 = 10; C8H18; C7H14O; C6H10O2 ... • carbon count • carbonyl group

  4. C7H14O CH3CH2CH2CH2COCH2CH3 CH3(CH2)3COCH2CH3 proton count

  5. A compound has a molecular weight of 102 mass units and is know only to contain C, H, and O. What are the possible formulas? 102/13 =7.846; 13*0.846 = 11; C7H18; C6H14O; C5H10O2 ...

  6. C6H14O (CH3)2CH2CH2CHOHCH3 (CH3)2CHCH2CHOHCH3

  7. The compound has a molecular weight of 178. What is its structure? C=O 1721 cm-1

  8. The compound has a molecular weight of 178. What is its structure? Carbon count = 11 178/13 = 13.692 .692*13 = 9 C13H22 C12H18O C11H14O2 proton count = 14

  9. 5 2 2 2 3 PhCO2(CH2)3CH3

  10. The following spectra refer to a compound with a molecular weight of 86 containing C,H and O.

  11. 86/13 = 6.615; 0.615*13 =8 C6H14; C5H10O; C4H6O2 ...

  12. 7 H2C=CH-CH(CH3)-CH2OH

  13. Assign the correct structure A or B to the H NMR spectrum given below B 3 1

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