define functional groups. identify major functional groups and recognize their b

Question

define functional groups. identify major functional groups and recognize their basic chemical properties. doublo bond straight chain “ branch chain double H bond ring multipl bond LO 2.14 Define functional their basic chemical properties. P 37-38 groups. Identify major functional groups and recognize Circle two functional groups in this generalized formula for an amino acid. Which one acted as a base by accepting a Hydrogen ion? General designatione posit at neutral pH ively charged H-N Carboxyl group_ negatively charged o- at neutral p Which one acted as an acid by giving up a Hydrogen ion? Table 3.1 Some Biologically Important unctional Groups That Bond to Carbon where tound" tional aroup Amino acids (proteins) Carbo O S Steroids, eicosanoids, waxes, R- Aldelhyde Carboxyl Amino acids, fany acids R-OH Steroids, alcohol. carbohydrates, some amino acids Hydroxyl

Explanation / Answer

Functional groups are collection of atoms which are attached to the carbonyl backbone which provides a specific property to the molecule based on its charge and polarity.

Amino - It is charged, hence accepts from NH3+. It is basic in nature.

Carbonyl - It is polar in nature.

Carboxyl - It is charged, Upon ionization it releases H+ ions into the solution. Hence it is acidic.

Hydroxyl - It is polar in nature.

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