Which Is the Order in Increasing Chemical Shift Values in the ¹H-NMR

question 28

Multiple Choice

Which is the order in increasing chemical shift values in the ¹H-NMR spectrum for the indicated hydrogen atoms (farthest upfield first) ?

• A) IV, II, III, I
• B) I, III, II, IV
• C) III, I, IV, II
• D) II, IV, I, III

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Definitions:

Silica Crystals

Rigid, crystalline structures made of silicon dioxide (SiO2), found in nature as quartz and used industrially and scientifically for various applications.

Spicules

Small, spike-shaped structures found in certain animals like sponges, serving as a skeletal element.

Radial Symmetry

Body plan in which similar parts are arranged around a central axis, like spokes of a wheel.

Tissue Layers

Various layers of cells in an organism that have specific functions and form organs and other body structures.