Splitting of a signal in a proton NMR spectrum tells us the number of chemically

Question

Splitting of a signal in a proton NMR spectrum tells us the number of chemically non-equivalent hydrogen in the immediate vicinity of the hydrogen giving the signal. Product the number of lines exhibited by hydrogens at the labeled positions in a first-order NMR spectrum(Make the approximation that all coupling constants are equal) The number of lines exhibited by hydrogen(s) a is _________________ The number of lines exhibited by hydrogen(s) b is _________________ The number of lines exhibited by hydrogen(s) c is _________________ The number of lines exhibited by hydrogen(s) a is _________________ The number of lines exhibited by hydrogen(s) b is _________________ The number of lines exhibited by hydrogen(s) c is _________________

Explanation / Answer

The number of lines exhibited will depent upon the neighbouring hydrogens.The number of lines = (n+1)

where n = number of chemically equivalent hydrogens which are neighbouring to the predicted hydrogen

1.The number of lines for

a) are 2+1=3

(b) are (3+2)+1= 6

(c) are 2+1 =3

2. The number of lines are

(a) 2+1=3

(b) (3+2)+1=6

(c) (2+2)+1=5

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.