In 1H NMR spectrum of the given molecule, the correct order of chemical shifts of the labelled protons (HX, HY, HZ) is
  • a)
    HZ > HX > HY
  • b)
    HZ > HY > HX
  • c)
    HX > HY > HZ
  • d)
    HY > HX > HZ
Correct answer is option 'D'. Can you explain this answer?

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Answers

Ram More
Apr 09, 2020
More shelded protons show upfield I e shelding effect I in this ex y protons more shielded because methoxy and acetylenyl groops are strong electron withdrawing hence they show upfield after that methoxy protons and lastly acetylenyl

More shelded protons show upfield I e shelding effect I in this ex y protons more shielded because methoxy and acetylenyl groops are strong electron withdrawing hence they show upfield after that methoxy protons and lastly acetylenyl
More shelded protons show upfield I e shelding effect I in this ex y protons more shielded because methoxy and acetylenyl groops are strong electron withdrawing hence they show upfield after that methoxy protons and lastly acetylenyl