alkyl

  1. E

    QUICK HELP APPRECIATED! Numbering hydrocarbon branches

    Hi! I've been given the alkane "3-ethyl-4-propylheptane". I found nothing wrong in the name, however, the 4-prefix (before propyl) is unnecessary since if the propyl would be sitting on ANY other carbon, the longest carbon chain would change and it would no longer be a heptane. My question is...