1) Which carbon isotope is used for carbon nmr a) 12 b) 13 c) 14 2) How many Carbon-13 peaks would this compound give? a) 4 b) 2 c) 3 3) What is used to standardise NMR spectra a) TML b) TMS c) TNS d) TNL 4) How many Carbon-13 peaks would this molecule have? a) 6 b) 5 c) 4

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