Chapter 21: Q114E (page 888)
Why is glycine not optically active?
Glycine is not optically active because it is not a chiral compound
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Over 100 different kinds of mutant haemoglobin molecules have been detected in humans, unlike sickle cell anaemia, not all these mutations are as serious In one non-lethal mutation, glutamine substitutes for a single glutamic acid in normal haemoglobin. Rationalize why this substitution is non-lethal
Give an example reaction that would yield the following products. Name the organic reactant and product in each reaction. a. alkane b. monohalogenated alkane c. di halogenated alkane d. tetra halogenated alkane e. monohalogenated benzene f. alkene
Draw a structural formula for each of the following.
a. 3-methylpentanoic acid
b. ethyl methanoate
c. methyl benzoate
d. 3-chloro-2,4-dimethylhexanoic acid
Name each of the following.
a.
b.
c.
d.
Alcohols are very useful starting materials for the productionof many different compounds. The followingconversions, starting with 1-butanol, can be carried outin two or more steps. Show the steps (reactants/catalysts)you would follow to carry out the conversions, drawingthe formula for the organic product in each step. Foreach step, a major product must be produced.(Hint:In the presence of, an alcoholis converted into an alkene and water. This is the exactreverse of the reaction of adding water to an alkene toform an alcohol.)
a. 1-butanol → butane
b. 1-butanol → 2-butanone
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