While there is some restriction on rotation around a double bond, it is possible to rotate around a single bond. The C-N bond (shown by the arrow) acquires certain double bond characteristics through resonance. As a result, the C-N double bond prevents the bond from rotating.
<h3>What is a chemical bond?</h3>
A chemical bond is a strong bond that can be formed between atoms, ions, or molecules to create chemical compounds. In covalent bonds, the electrons are shared, whereas, in ionic bonds, the electrostatic attraction of two ions with opposing charges forms the link. In contrast to dipole-dipole interactions, the London dispersion force, and hydrogen bonding, which are examples of "weak bonds" or "secondary bonds," covalent, ionic, and metallic bindings are examples of "strong bonds" or "primary bonds."
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Since this has to do with titration, the measured volume of NaOH used would be less than the actual volume used because some of the unused NaOH would cling to the sides of the buret and therefore wouldn't factor into the measurement
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An Aldotetrose is a tetrose sugar (4 Carbons) with an aldehyde functional group on the first atom.
The D- compound contains the last bottom asymmetric -OH group at the right side of the Fischer's projection. The L-compound contains the last bottom asymmetric -OH at the left side of the Fischer projection.
So the Fischer's projection of the four aldotetroses is as follow:
Answer:
a. The resonance effect of the hydroxyl group stabilizes the anionic intermediate
Explanation:
The resonance effect stabilizes the the charge through the delocalization of the pi bonds. The resonance stabilization mainly occurs in the conjugated pi systems.
For example, phenol forms a strong hydrogen bonds than the nonaromatic alcohols as the dipole present in the hydroxyl group is being stabilized by the presence of the aromatic ring of phenol.
Thus the resonance effect of the hydroxyl group stabilizes the anionic intermediate.
**increase the partial pressure of oxygen
decrease the partial pressure of carbon dioxide