The first member of the alkyne homologous series is

propyne
ethyne
methane
ethene

Academic Chemistry NCERT Class 10

Correct Answer: (b) ethyne

Explanation: The first member of the alkyne homologous series is ethyne.

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Updated on: 10-Oct-2022

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The first member of the alkyne homologous series isethyneethenepropynemethane
Write the molecular formula of the 2nd and the 3rd member of the homologous series whose first member is methane.
Write the molecular formula of the 2nd and 3rd member of the homologous series where the first member is ethyne.
Write the molecular formula of the 2nd and 3rd members of the homologous series where the first member is ethyne.
C3H8 belongs to the homologous series of
(a) Give the general name of the class of compounds having the general formula CnH2n-2 Write the name of the first member of this homologous series.(b) The general formula of a homologous series of carbon compounds is CnH2n. Write the molecular formula 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.
Write the molecular formula of first two members of homologous series having functional group -Br.
A colourless organic liquid X of molecular formula C2H4O2 turns blue litmus to red. Another colourless organic liquid Y of molecular formula C3H6O has no action on any litmus but it is used as a nail polish remover. A yet another colourless organic liquid Z of molecular formula C2H6O has also no action on litmus but it is used in tincture of iodine.(a) Name the liquid X. To which homologous series does it belong? Give the name of another member of this homologous series. (b) Name the liquid Y. To which homologous series does it belong? Write the name of another member of this homologous series. (c) Can you name an organic compound having the same molecular formula as liquid Y but which belongs to a different homologous series? What is this homologous series? (d) Name the liquid Z. To which homologous series does it belong? Write the name of another member of this homologous series.
What is a homologous series of carbon compounds?
(a) Define a homologous series. Give the name and structural formula of one homologue of the following: CH3OH.(b) Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnH2n+ 1OH. (c) Name any two fossil fuels.
Which of the following belongs to homologous series of alkynes?C6H6C2H6C2H4C2H4C3H4C6H6C2H4C2H6C3H4
(a) What is homologous series? Explain with an example.(b) State two characteristics of a homologous series. (c) The molecular formula of an organic compound is C18H36. Name its homologous series. (d) Select the hydrocarbons which belong to the same homologous series. Give the name of each series. CH4, C2H2 ,C3H4 ,C2H6 ,C4H10, C3H4, C3H6 . (e) What is meant by 'heteroatom'? Give examples. Write the names and formulae of two organic compounds containing different heteroatoms.
Which of the following does not belong to the same homologous series?CH4C2H6C3H8C4H8
What is a homologous series? Explain with an example.
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