You've asked about drawing the products of a chemical reaction, specifically ignoring the inorganic byproducts. It's a common scenario in organic chemistry, where the focus is often on the carbon skeleton and the functional groups that are being transformed.
Think of it like this: when you're baking a cake, you're really interested in the final delicious product – the cake itself. You might use flour, sugar, eggs, and butter, and the oven produces heat. While the heat is essential for the reaction (baking), it's not something you'd typically list as an ingredient in the final cake. Similarly, in many chemical reactions, certain substances are produced that are considered 'waste' or simply not the main event we're studying. These are often inorganic salts or simple molecules that don't contribute to the core organic structure being built or modified.
When instructors or textbooks ask you to "ignore inorganic byproducts," they're guiding you to concentrate on the organic transformation. This means identifying which atoms in the starting materials have rearranged, bonded, or broken apart to form the new organic molecule(s) of interest. The inorganic parts – things like metal ions, simple halides (like Cl- or Br- if they're not part of the organic structure), or water – are set aside for the purpose of understanding the primary organic chemistry at play.
For instance, if you're looking at a reaction where an organic halide is treated with a strong base, the base might abstract a proton, and the halide ion will be released. The halide ion, along with the cation from the base (like Na+), forms an inorganic salt. The real action, from an organic perspective, is the formation of a new double bond or the rearrangement of the carbon skeleton. So, you'd draw the organic product and leave the inorganic salt out of the picture.
It's a way to simplify complex processes and focus on the fundamental principles of how organic molecules change. By setting aside the inorganic 'noise,' we can better see the elegant dance of electrons and atoms that creates new organic structures.