How Long Will It Take for a Suntan to Fade

question 95

Multiple Choice

How long will it take for a suntan to fade?

• A) 20 to 40 days
• B) 40 to 50 days
• C) 10 to 20 days
• D) 5 to 10 days

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Definitions:

Cyclopentane

A saturated cyclic hydrocarbon with the molecular formula C5H10, containing a single five-membered ring.

Proton Spin Decoupled

In NMR spectroscopy, it refers to a technique to simplify spectral analysis by removing the interactions (couplings) between a proton's (H-atom's) spin and the spins of adjacent atoms.

Off-Resonance Decoupled

A technique in nuclear magnetic resonance (NMR) spectroscopy used to simplify spectra by removing certain interactions.

Multiplicities

In NMR spectroscopy, refers to the splitting of a resonance into multiple peaks due to spin-spin coupling.