Question

i)Define homologous series.

ii) What is the difference between the formula of two successive members of homologous series.

iii) Draw electron dot structure of ethene​

Answer 1

Explanation:

i). a homologous series is a sequence of compounds with the same functional group and similar chemical properties in which the members of the series can be branched or unbranched, or differ by -CH2.

ii). In term of molecular mass each successive member in a homologous series differ by molecular mass of 14 Dalton by the preceding member. ... There is a difference of one carbon atom and two hydrogen atom between two consecutive members of homologous series that is of one CH2 molecule or three atoms.

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Answer 2

Answer :-

1) Homologous series is a group of organic compounds having similar structures and chemical properties in which the successive compound differ by CH2 group.

2) The difference between the formula of two successive members of homologous series is CH2.

3) H : : H

C : : C

H : : H

Proper Electron-Dot Structure of Ethene is in photo.