write the molecular formula of 2nd and 3rd members of homologous series whose 1st member is ethyne.
Answers
Answer:
Ethene is a member of alkene series. Alkenes are the group of compounds having double bond. The general formula of alkene is CnH2n. The second and third member have the formula C3H6 and C4H8.
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Answer - There are two carbon atoms and four hydrogen atoms in the chemical molecule ethylene. The simplest alkene is ethylene, which has a double bond. The most basic alkaline is the unsaturated hydrocarbon ethylene (C2H4).
Alkene has the generic formula CnH 2n. The second and third members' formulas are CC3H6 and CC4H8, respectively.
CnH2n-2 is the generic formula for the homologous series, ethyne being the first element.
The second and third characters in this series are:
a. Propyne (CH3C=CH), where n=3.
b. Where n=4 and CH3CH2C=CH(1-Butyne) or CH3C=CCH3 (2-Butyne), respectively
C3H4 and C4H6 are the respective molecular formulas.
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