Key words & phrases: C4H8O2 (CH3)2CHCOOH Interpreting the C-13 NMR spectra of 2-methylpropanoic acid, C-13 nmr spectrum of 2-methylpropanoic acid, understanding the carbon-13 nmr spectrum of 2-methylpropanoic acid, explaining the line pattern in the high resolution C-13 nmr spectra of 2-methylpropanoic acid, revising the C-13 nmr spectrum of 2-methylpropanoic acid, ppm chemical shifts of the C-13 nmr spectrum of 2-methylpropanoic acid, how to construct the diagram of the C-13 nmr spectrum of 2-methylpropanoic acid, how to analyse the chemical shifts in the carbon-13 NMR spectrum of 2-methylpropanoic acid deducing the chemical environment of all the carbon atoms in 2-methylpropanoic acid examining the c13 nmr spectrum of  2-methylpropanoic acid analysing the 13-c nmr spectrum of 2-methylpropanoic acid how do you sketch and interpret the C-13 NMR spectrum of 2-methylpropanoic acid interpreting interpretation of the C-13 NMR spectrum of 2-methylpropanoic acid assignment of chemical shifts in the 13C NMR spectrum of 2-methylpropanoic acid isobutyric acid carboxylic acid functional group How do you interpret the chemical shifts of the C-13 NMR spectrum of 2-methylpropanoic acid How to interpret the C-13 NMR spectrum of 2-methylpropanoic acid Explanatory diagram of the 13C C-13 carbon-13 NMR spectrum of the  number of different carbon atom environments in the 2-methylpropanoic acid molecule from its carbon-13 NMR spectrum to help work out the molecular structure of the 2-methylpropanoic acid molecule? The uses and distinctive features of the carbon-13 NMR spectrum of the 2-methylpropanoic acid molecule explained. What do the number and values of the chemical shifts from the c-13 carbon-13 NMR spectrum tell us about the 2-methylpropanoic acid molecule? explaining the decoupled carbon-13 NMR spectrum of 2-methylpropanoic acid  with a detailed interpretation diagram of all the C-13 chemical shifts and intensities