Unit 30: Spectroscopy-2 NMR — Mcqs

12th Class Chemistry · Unit 30: Spectroscopy-2 NMR

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Q1.I.NMR relies on the magnetic properties of nuclei known as:

Q1.II.Chemical shift (δ) in the ¹H NMR spectroscopy is measured relative to TMS and is expressed in:

Q1.III.Deuterated solvents (CDCl₃) are used in ¹H NMR to:

Q1.IV.The primary purpose of measuring the peak area in ¹H NMR is to find the:

Q1.V.Splitting is typically not observed for O-H or N-H protons because of:

Q1.VI.In the n+1 splitting rule, 'n' represents the number of protons on:

Q1.VII.The chemical shift (δ) of a ¹³C peak identifies the:

Q1.VIII.The number of peaks in a ¹³C NMR spectrum equals the number of:

Q1.IX.How many ¹³C peaks does propane (CH₃CH₂CH₃) show?

Q1.X.What is the splitting pattern for a proton with 2 neighbouring protons (n=2)?