4. Write the structural formulas of the following: a) 3-ethyl-2,4-dimethylpentane b) 2,2,3-trimethylbutane c) 4-ethyl-2,3-dimethylhexane d) 2,4,4-trimethyl-2-pentene...

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4. Write the structural formulas of the following: a) 3-ethyl-2,4-dimethylpentane b) 2,2,3-trimethylbutane c) 4-ethyl-2,3-dimethylhexane d) 2,4,4-trimethyl-2-pentene e) 4-bromo-3-methyl-1-pentyne f) 2,3-dimethyl-1,3-butadiene g) 1,3-cyclopentadiene 4. Write the structural formulas of the following: a) 3-ethyl-2,4-dimethylpentane b) 2,2,3-trimethylbutane c) 4-ethyl-2,3-dimethylhexane d) 2,4,4-trimethyl-2-pentene e) 4-bromo-3-methyl-1-pentyne f) 2,3-dimethyl-1,3-butadiene g) 1,3-cyclopentadiene