Question

draw all the structural isomers for the molecular formula c₃h₇br. draw all hydrogens.
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/ ∥ ∥∥ c h br

Explanation:

Structural isomers of $\text{C}_3\text{H}_7\text{Br}$ differ by the position of the bromine atom on the 3-carbon chain.

1. First isomer: Bromine attaches to the end (1st) carbon of the propane chain, with all hydrogens drawn explicitly.
2. Second isomer: Bromine attaches to the central (2nd) carbon of the propane chain, with all hydrogens drawn explicitly.

Answer:

1. 1-Bromopropane:

      H H H
      | | |
    H-C-C-C-Br
      | | |
      H H H

1. 2-Bromopropane:

      H H H
      | | |
    H-C-C-C-H
      | | |
      H Br H