Question

Convert the structures in Problem 9 into skeletal structures.

Structure in Problem 9

Short answer

Condensed structures display atoms but few, if any, bonds.

Step-by-step solution

Define condensed structure

Condensed structures display atoms but few, if any, bonds.

Define skeletal structure

Skeletal structures display bonds but few, if any, atoms.

Consider a succession of central atoms that are linked from left to right

In all the given questions, carbon is the central atom moving along the parent chain, which is the chain containing the greatest number of carbon atoms in succession.

Calculate the expected number of bonds per atom

We know from the rules for Lewis structures:

1. Carbonwill form 4 bonds as it has 4 valence electrons.
2. Oxygen has 2 lonepairsand 2 unpaired electrons, and soforms2 bonds.
3. Hydrogen will form 1 bond as it has 1 valence electron.
4. Nitrogen will form 3 bonds as it has zero formal charge.

Check whether the octet rule is obeyed or not

According to the octet rule, atoms gain or lose electrons in order to achieve an outer shell electron configuration that is closest to that of a noble gas. The skeletal structures are made keeping this rule in mind.

Create the skeletal structures of the given chemical structures

By using the above rules, we can create the skeletal structures of the given chemical structures.