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प्रश्न
Propane and ethane are ______.
विकल्प
homologues
isomers
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उत्तर
Propane and ethane are homologues.
Explanation:
Propane (C3H8) and Ethane (C2H6) belong to the same homologous series of alkanes because they differ by a CH2 (methylene) group and follow the general formula CnH2n+2 for alkanes. They are not isomers, as they have different molecular formulas.
संबंधित प्रश्न
State any four characteristics of a homologous series
Write the molecular formula of first two members of homologous series having functional group – OH
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
Give the molecular formula of one homologue of each of the following:
C2H6
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
.
Write the name and molecular formula of the first member of the homologous series of alkynes.
Assertion (A): In a homologous series of alcohols, the formula for the second member is C2H5OH and the third member is C3H7OH.
Reason (R): The difference between the molecular masses of the two consecutive members of a homologous series is 144.
Saturated hydrocarbon : Single bond : : Unsaturated hydrocarbon : _______
Name the third homologue of alcohols.
