alkane and alkene
1.Why viscosity of alkanes increases with the number of carbon atoms contained?
2.Members in the same homologous series have the same functional group,but why they only have similar chemical properties but not the same?
3.Why alkane has no functional group?
4.In organic compound, wt's the meaning of saturated?
If an organic compound contains N=N or nitrogen nitrogen triple bond,then is this compound saturated?(provided that this compound has C-C only)
5.In alkenes, Can C=C appeared twice?
6.What is the colour of alkanes?In fractional distillation od petroleum, the products produced are colourless,yellow and even brown.But in book,it says that alkanes are colourless and white.Why?