Question

how many peaks are expected in 1H NMR from ethane ​

Answer 1

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Using the n+1 rule, the hydrogens on one carbon couple to the 3 hydrogens on the adjacent carbon. If n=3 therefore 3+1=4 peaks would be seen. On the NMR spectra of Ethane you would only see a quartet.

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Answer 2

Answer:

chemical shift of aldehydic protons is