Question #a5716

1 Answer
Ernest Z.
Feb 26, 2017

There are 15 σ and 4 π bonds in a molecule of salicylaldehyde.

Explanation:

The main things to remember are:

  • Every bond contains a σ bond
  • Every double bond also contains a π bond

The structure of salicylaldehyde is

toxnet.nlm.nih.gov

Note that there are four unshown "C-H"C-H bonds on the aromatic ring.

Thus, there are 5 "C-H"C-H bonds, 4 "C-C"C-C bonds, 1 "C-O"C-O bond, 1 "O-H"O-H bond, 3 "C=C"C=C bonds and 1 "C=O"C=O bond.

This makes a total of 15 bonds, so there are 15 σ bonds.

There are 4 double bonds (3 "C=C"C=C and 1 "C=O"C=O), so there are 4 π bonds.

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