Explain why the following system is not aromatic.

What is Huckel rule? Explain why the following system are not aromatic.

Explain whether the following system is aromatic or not aromatic.

Explain whether the following system is aromatic or not aromatic.

Explain whether the following system is aromatic or not.

Explain why: )heating systems based on circulation of steam are more efficient in warming a building than those based on circulation of hot water

Which of the following compounds are aromatic?

Explain the following : Why is the series arrangement not used for domestic circuits?

Explain why the setting sun looks red?