Question

In which of the following, all the nuclei are NMR in-active

Answer 1

Answer:

While not all nuclei are NMR active (e.g. 12C and 16O are inactive), the most important nuclei for organic chemists are 1H and 13C (both with nuclear spin = 1/2). H (or proton) is the most common, and the one we will spend most time talking about.

Explanation:

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