Question

what is the j value of an H NMR of

1) C3H6O2

2) C3H8O

what are the j values for a and b

B: C3H30 d, 6H Hz 371.56 365.38 359.25 353.13 347.06 193.00 110.44 102.06 ppm 4.149 4.080 4.012 3.943 3.876 2.155 1.234 1.140 S, 1H m, 1H 11 10 9 8 7 6 5 4 3 2 1 ppm ppm Int. 64.04 732 25.29 1000 200 180 160 140 120 100 ppm 80 60 40 20 B: C3H30 Structure and Assignment

Answer 1

O TAL from moleculer trimia in C34602 Degree of unsaturation: (+1-H₂ = 3+1-6/2 = IP Broad peek at 2500-3500 un o hd 'll rump It Sinstel at 11.9 ppm one 21 quantet of zu triples 42 Heus, the possith structure is (chzugroh a tga el consiness 10-) molentes formule in C3 1480 Degree of unsaturals: 3+1-8/2 = 0 ut rood peek as. 32.00-3600 and I wm GH doktel - * CH - out 1H singles at 2.1ppm on Heub, the possith standuve in azu - ом End) -OH-ts! C3400 4.0