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Question

Write general formula of Alkene :
  1. CnHn
  2. CnH2n
  3. CnH2n+2
  4. CnH2n2

A
CnHn
B
CnH2n
C
CnH2n2
D
CnH2n+2
Solution
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Alkenes are a class of hydrocarbon that contains a carbon-carbon double bond. The general formula of alkenes is CnH2n, where n is the no. of carbon atoms.

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Similar Questions
Q1
The general formula CnH2n is valid for any alkene with ___.
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Q2

The hydrocarbon with the general formula CnH2n+2 is an -


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Q3

2nd member of homologous series having general formula CnH2n2

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Q4
(a) Give the general name of the class of compounds having the general formula CnH2n−2. Write name of the first member of this homologous series.
(b) The general formula of a homologous series of carbon compounds if CnH2n. Write the molecular formulae of the second and fourth members of the series.
(c) Write the molecular formulae of the third and fifth members of homologous series of carbon compounds represented by the general formula CnH2n+2
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Q5
CnH2n is the general formulae of_______.
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