Octane number can be improved by?

According to vital force theory?

Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have?

Hydro carbons which burn with smoky flame are called?
 

The first organic compound was synthesized in laboratory by?

Octane number 2 2 4-trimethyl pentane is?
 

Pentane and 2-methyl butance have the same?
 

Main source of organic compounds is?

Geometric isomerism is usually found in?
 

Propene can exhibit?