Question

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Answer 1

1)
a) 2,2,3,6-tetrametilheptan
b) 4-etil-2,3,5-trimetilhexan
c) 3,4,5-trimetiloctan
d) 3-etil-2,4,4-trimetilhexan
2) a)
    C2H5  CH3
CH3-CH-C-CH2-CH3
               C2H5
b)     CH3
CH3-CH-CCH3-CH-CH2-CH3
               CH3    CH3
c)             C2H5
CH3-CH2-C-CH2-CH-CH2-CH2-CH2-CH2-CH3
                C2H5   CH3
d)     C2H5        CH2CH2CH3
CH3-CCH3-CH-CCH3-CH2-CH2-CH2-CH3
                    CH3