QUIZ 1. When the SH (sulfur hydrogen) side group is a part of an organic molecule, what is the term specifically used for this? a. Sulfhydryl b. Thiol c. Sulfide d. Sulfone Answer: a. The sulfhydryl group is what the SH side group is called when it is attached to a larger organic molecule. 2. What name for a molecule is not the same as the other three? a. Sulfhydryl methane b. Methanethiol c. Methyl mercaptan d. Methyl sulfide Answer: d. Each of these is the name appropriate for the CH3SH molecule except for methyl sulfide, which is chemically not the same. 3. What is the chemical structure of a disulfide molecule? a. RSH b. RSR’ c. HSRSH d. RSSR’ Answer: d. The chemical structure of the disulfide molecule is RSSR’, which means there are two alkyl side chains with a double S-S bond between the two alkyl groups, which may or may not be different. The term is alkyl chain one, alkyl chain two (in alphabetical order) plus “disulfide”.
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