Question

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25.4 Give the effect on the melting point of the presence of a cis double bond in a fatty acid 25.5 Describe the process in soap making a) b) c) d) Base-promoted hydrolysis of fats or oils Acid-promoted hydrolysis of fats or oils Acidifying hard water Heating oil a) b) c) A cis double bond raises the melting point. A cis double bond lowers the melting point. A cis double bond has no effect on the melting point. 25.16 Describe a prostaglandin 25.9 List the possible hydrophilic functional groups in a synthetic detergent. a) Cyclopentane, with two long side chains trans b) Cclopentane, with two long side chains trans, one c) Cyclopentane, with two long side chains trans, both d) Cyclopentane, with two long side chain trans, both a) Anionic b) Cationic c) Nonionic d) All of the above e) None of the above ending in a carboxylic acid ending in a carboxylic acid ending in an ester 25.19 Determine the number of carbons in a 25.18 Identify the compound that is not a terpene. diterpene a) 10 carbons b) 15 carbons c) 20 carbons d) 30 carbons e) 40 carbons a) Menthol b) Cholesterol c) Camphor d) Geraniol 25.20 Determine the number of isoprene units in a tetraterpene a) Four isoprene units b) Six isoprene units c) Eight isoprene units d) Ten isoprene units

Answer 1

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