Final answer:
Without specific information on the LSD molecule's structure, we cannot provide the exact number of pi bonds in it. A pi bond is part of multiple bonds in a molecule and is formed from the side-by-side overlap of p orbitals.
Step-by-step explanation:
The question pertains to the number of pi bonds in the LSD molecule, which is a chemical substance and requires an understanding of molecular structure and bonding. However, the reference information provided talks about pi bonds in molecules like C₂H₂, molecular orbital theory, and hybridization (such as sp³d in phosphorus pentachloride), none of which directly describe the LSD molecule. To accurately answer the question about LSD (lysergic acid diethylamide), we would examine its molecular structure and count the pi bonds, but since this information is not provided, we cannot offer a specific answer to the question. We can say that in chemistry, a pi bond is usually part of multiple bonds such as double or triple bonds between atoms in a molecule.