(A) 10-100 MHz
(B) 60-900 MHz
(C) 30-300 MHz
(D) 100-1000 MHz
(A) Homonuclear coupling is larger than heteronuclear coupling
(B) Chemical shift is independent of the environment of proton
(C) Alkynes have high chemical shift than alkenes
(D) Proton-deuterium coupling is seven times less than proton-proton coupling
(A) Study of change in chemical shifts
(B) spin-spin coupling
(C) Spin-spin decoupling
(D) Increase the intensity of absorption
(A) Δν/j
(B) j/Δν
(C) Δν x j
(D) Δν - j
(A) TMS
(B) Benzene
(C) Chloroform
(D) Ethanol