Write the structural formulae of all the isomers of an alkane with seven C-atoms (C7H16)

There are 9 isomers for heptane (C7H16):


a. 2-methyl hexane (isoheptane)



b. n-heptane



c. 3-methylhexane



d. 2,2-dimethylpentane



e. 2,3-dimethylpentane



f. 2,4-dimethylpentane



g. 3,3-dimethylpentane



h. 2,2,3-trimethylbutane



i. 3-ethylpentane



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