Question

write the molecular formula of third and fourth member of homologous series whose first member is methane ​

Answer 1

Answer:

Third member is propane and forth member is butane.

Explanation:

Methane is a member of alkane family whose general formula is CnH2n+2 . So third member has a formula C3H8 and fourth member has a formula C4H10

Hope it helps

Answer 2

Answer:

Third is C3H8

Fourth is C4H10 .