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प्रश्न
Name and draw the electron dot structure of first homologue of alkynes series.
उत्तर
Ethyne is the first member of alkyne homologues series. Its structure is:
Electron-dot structure:
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संबंधित प्रश्न
Write the next homologue of the following: C2H4
Give the names and the structural formula of the first three members of the homologous series of alkanes.
Write names of first four homologous series of alcohols.
Copy and complete the following table which relates to three homologus series of hydrocarbons:
| General formula | CnH2n | CnH2n-2 | CnH2n+2 |
| IUPAC name of the homologus series | |||
| Characteristic bond type | Single bonds | ||
| IUPAC name of the first member of the series | |||
| Type of reaction with chlorine | Addition |
Two statements are given - one labeled Assertion (A) and the other labeled Reason (R).
Assertion (A): In a homologous series of alcohols, the formula for the second member is C2H5OH and the third member is C3H7OH.
Reason (R): The difference between the molecular masses of the two consecutive members of a homologous series is 144.
Complete the correlation:
Alkene : C = C :: Alkyne: _______.
Successive members of a homologous series vary by how many atomic mass unit?
C3H8 belongs to the homologous series of ______.
Consider the carbon compounds having following molecular formula:
(i) C2H2 (ii) C2H5 (iii) C3H7OH (iv) C2H6COOH (v) CH3CHO
- Identify which one of the above compounds, is a member of aldehyde series.
- Write the general formula of the series to which compound C2H2 belongs.
- Which one of the above compounds has triple bonds between carbon-carbon atoms?
- Write the molecular formula of the first member of the homologous series to which the compound C3H7OH belongs.
Name the third homologue of alcohols.
