с 1 47. C-C--C--C--C--C--C C-CC-C is the carbon skeleton (minus any hydrogen atoms) of a. 2,4-diethyl-3,6-dimethylheptan
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с 1 47. C-C--C--C--C--C--C C-CC-C is the carbon skeleton (minus any hydrogen atoms) of a. 2,4-diethyl-3,6-dimethylheptane b. 2,5-dimethyl-4,6-diethylheptane c. 1,4-diethyl-3,6-dimethyl-tridecane d. 5-ethyl-3,6-trimethyloctane e. 4-ethyl-2,5,6-trimethyloctane 48. True or false? Aldehydes are characterized by the presence of the -COH group (where carbo is double bonded to the oxygen atom and single bonded to the hydrogen). a. True b. False 49. Name the following molecule. CH.CH CH3-C -- C = C --H H a. 1-hexyne b. 2-ethynyl butane c. 2-ethyl-3-butyne d. 3-methyl-1-pentyne e. 3-methyl-4-pentyne 50. Classify the following molecule. H3C --C=O H a. acid b. aldehyde c. amine d. ketone e. carbonyl