On the Planet Invertios, Boron Has Two Isotopes as Follows

question 122

Multiple Choice

On the planet Invertios, boron has two isotopes as follows: Isotope Mass (amu) Natural Abundance (%)
Boron-10 10.0129 80.00
Boron-11 11.0093 20.00
Estimate the relative atomic mass of boron on Invertios.

• A)10.0 amu
• B)10.2 amu
• C)10.5 amu
• D)10.8 amu
• E)11.0 amu

Differentiate between compounds using S1U1P11S1S1P0H and proton decoupled S1U1P113S1S1P0C NMR spectroscopy.

Determine the number of peaks in a proton spin decoupled S1U1P113S1S1P0C NMR spectrum and interpret the structure-related information.

Understand and describe the spectral characteristics of aromatic hydrocarbons in UV-visible spectroscopy, particularly the benzenoid band.

Identify and list characteristic IR spectral peaks of aromatic hydrocarbons, focusing on the aromatic C-C stretch and the aromatic C-H stretch.

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