1.

Define homologous series of organic compounds. List its two characteristics. Write the name and formula of the first member of the series of alkenes.​

Answer»

ANSWER :

▶️The series of ORGANIC compounds having same functional group and similar chemical properties is called homologous series.

▶️Each member differs from SUCCESSIVE

member by —CH2— group. The difference in MOLECULAR weight between two successive members is 14u.

▶️Characteristics:

(i) It has same general formula, from which, all members can be derived.

(ii) They have similar chemical properties. C2H4, CH2=CH2, ETHENE is first member of alkene series.



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