Determine the expected number of signals in the ¹H NMR spectrum of the compound below.

How many different NMR signals will be observed in the NMR spectrum of each of the following compounds theoretically? Determine the approximate chemical shift for each proton and highlight any diastereotopic relationships.
(i) PhCHClCH₂Cl
(ii) vinyl bromide

What are the expected chemical shifts (ppm) for each of the protons present in the structures given below?

Compound A, with a molecular formula C₃H₄, shows two singlets in its ¹H NMR spectrum (with a ratio 3 : 1). Compound B is formed when compound A undergoes an acid-catalyzed hydration. Compound B also gives a positive iodoform test, and shows a singlet in its ¹H NMR spectrum. Determine the structures A and B.

For the hydrogen indicated in red, sketch the expected ¹H NMR signal showing its estimated chemical shift.

Fill out the values in the ¹H NMR table given below for the indicated hydrogens in the following compound.

Provide the integration for the¹H NMR signals expected for the hydrogens at the indicated carbons in the given compound. (Hint: Observe if there is symmetry in the structure.)

Give the predicted number of signals and the relative ratio of signal integrations for the molecule depicted below.

Draw the expected signal for Ha in the below-given molecule with the help of given values.

A chemist observes a doublet with a coupling constant (J) value of 6.6 Hz and a chemical shift (δ) about 3.00 ppm in the NMR spectrum of a compound measured using a 60.0-MHz spectrometer.
(i) If the spectrum is taken using a 300-MHz spectrometer, what would the chemical shift (δ) be?
(ii) What would the splitting value J be if the spectrum is taken using a 300-MHz spectrometer?
(iii) How many Hz from the TMS peak is this signal in the 60.0-MHz spectrum? In the 300-MHz spectrum?

For the following molecule, illustrate the splitting diagram for proton (H_b), given that the J_bc = 12 and J_ba = 4.

For the given compound, draw an estimated¹H NMR spectrum, and show the multiplicity, integration, and chemical shift of each signal. Mark the signals according to the sets of equivalent hydrogens.

Match the peaks in the1H NMR spectrum of the given molecule with their corresponding hydrogens.