Name the 2nd member of alkyne homologous series.

Draw formulas for the first 5 members of each homologous series beginning with given compounds: (1) HCOOH (2) CH_(3)COCH_(3) (3) H-CH=CH_(2)

Select the members of- a homologous series from the following compounds and arrange them in increasing orcler of their molecular weights: CH_3COOH, CH_3CH_2OH,CH_3OCH_3,CH_3OH,C_2H_4,C_2H_6,CH_3CH_2CH_2OH,C_3H_4 .

The successive members of a homologous series differ by _______ mass units.

The wavelength of the first member of Balmer series is 6560 Å . Calculate the wavelength of the second member of Lyman series.

Name the members of the lanthanoid series which exhibit + 4 oxidation states and those which exhibit + 2 oxidation states. Try to correlate this type of behaviour with the electronic configurations of these elements.

Mention the names of the first and last member of actinide series.

Which of the following express a homologous series-

Members of the same homologous series have similar chemical properties - explain.

What do you understand by homologous series ?