Microsoft 1、學考試試題 4) Using a 60 MHz spectrometer, the protons in dichloromethane appear at 5.30 ppm. When the same sample is placed in a 100 MHz instrument, where does the signal appear? A) 8.33 ppm B) 5.30 ppm C) 3.18 ppm D) cannot be determined from information given 6) Hour man 1