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प्रश्न
Name and draw the electron dot structure of first homologue of alkynes series.
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उत्तर
Ethyne is the first member of alkyne homologues series. Its structure is:
Electron-dot structure:
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संबंधित प्रश्न
What is the next higher homologue of methanol (CH3OH)?
Give the molecular formula of one homologue of each of the following:
C2H6
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.
Give the dot diagram of the first member of the alcohol.
Write the name and molecular formula of the first member of the homologous series of alkynes.
Give the names of the first four members of the homologous series of
alkynes.
What is a homologous series?
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
Which of the following pairs can be the successive members of a homologous series?
Study and complete the following table:
| Homologous series | Alkane | Alkyne |
| General formula | CnH2n+2 | 1. ______ |
| IUPAC name | 2. ______ | Ethyne |
| Common name | Marsh gas | 3. ______ |
