5 votes
Accepted

Where is the aromatic ring in the pentacene molecule?

When you have a chain of cumulated conjugated rings either the entire chain is aromatic or it isn't. In this case it is. There is no single aromatic ring. However, that does not mean all rings are ...
  • 44.1k
4 votes
Accepted

Are aromatic methoxy-groups more para-directing than aromatic TBDPS-ethers?

I suspect the observed outcome is a combination of two major factors. First, it is indeed expected that siloxy substituents are poorer electron donors via mesomerism, compared to alkoxy substituents. ...
3 votes

Why are the vapor pressure of toluene and benzene different?

Perhaps, by saying benzene and toluene have "equal intermolecular forces", maybe they meant they both have London dispersion forces, NOT that they have the same degree of LDF. Then it would ...
3 votes
Accepted

Why are the vapor pressure of toluene and benzene different?

Most likely your "they" are exam-paper setters in some public exams. The fact is that the moment you deal with a different molecule, the intermolecular interactions cannot be the same. ...
  • 35.2k
1 vote

Benzene Identification in a liquid?

Generally, there are no simple and cheap tests for it without instrumental analysis. Naive ideas like Add this and a color forms if the substance is present work for very limited number of cases. ...
  • 30.9k

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