1. Home
  2. Test papers

MCQ on NMR spectroscopy: Page-15

In first order NMR spectra, the ratio of chemical shift to coupling constant is

(A) < 3

(B) > 6

(C) > 3

(D) > 3

Which of the following proton has more chemical shift in NMR

(A) Alcohols

(B) Carboxylic acid

(C) Ketone

(D) Vinylic

Carboxylic acids have ore chemical shift than alcohols due to

(A) Increased delocalization

(B) Increased deshielding

(C) Decreased electronegativity

(D) Decreased H-bonding

Which of the following proton has more chemical shift

(A) Methylene

(B) Methine

(C) Methyl

(D) Can’t be predicted

The integral ratio of two peaks in the following compound will be

(A) 1:1

(B) 1:2

(C) 1:3

(C) 1:4