80. the set of protons (underlined) in ch;ch,ch;och3 that would exhibit different splitting patterns in high (500 mehz) and low (60 mhz) field 'h-nmr, is a) ch,

80. The set of protons (underlined) in CH;CH,CH;OCH3 that would exhibit different splitting patterns in high (500 MEHz) and low (60 MHz) field 'H-NMR, is a) CH,CHCH;OCH (c) CH,CH CH, OCH3 b) CH,CH, CH,OCH (d) CH CHCH,OCH