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प्रश्न
Complete the correlation:
Alkene : C = C :: Alkyne: _______.
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उत्तर
Alkene : C = C :: Alkyne: C ≡ C.
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संबंधित प्रश्न
Write the next homologue of the following: C4H6
Write the name and formula of the 2nd member of homologous series having general formula CnH2n.
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
The molecular formula of an organic compound is C18H36. Name its homologous series.
Propane and ethane are ______.
Give the abbreviated formula of the third member of the alcohol.
Give the names and the structural formula of the first three members of the homologous series of alkanes.
Define homologous series of organic compounds. List its two characteristics. Write the name and formula of the first member of the series of alkenes.
Distinguish between homologous organs and analogous organs. In which category would you place wings of a bird and wings of a bat? Justify your answer giving a suitable reason.
The general formula of Alkane is _________________
The phenomenon in which compounds having different structural formulae have the same molecular formula is called _______.
Cyclohexane : Cyclic hydrocarbon : : Isobutylene : _______
As one ascends in any homologous series, physical properties change gradually.
Write a short note.
Homologous series
Complete the following table for the homologous series of alkanes.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Methane | CH4 | CH4 | 1 | 1 | -162 |
| Ethane | C2H6 | CH3–CH3 | 2 | 2 | -88.5 |
| Propane | C3H8 | CH3–CH2–CH3 | 3 | 3 | -42 |
| Butane | C4H10 | CH3–CH2–CH2–CH3 | ______ | ______ | 0 |
| Pentane | C5H12 | CH3–CH2–CH2–CH2–CH3 | ______ | ______ | 36 |
| Hexane | C6H14 | CH3–CH2–CH2–CH2–CH2–CH3 | ______ | ______ | 69 |
Which of the following does not belong to the same homologous series?
Successive members of a homologous series vary by how many atomic mass unit?
Name the following organic compound:
The first homologue whose general formula is CnH2n.
