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Question
Copy and complete the following table, which relates to the three homologous 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 |
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Solution
| General formula | CnH2n | CnH2n−2 | CnH2n+2 |
| IUPAC name of the homologous series | Alkene | Alkynes | Alkanes |
| Characteristic bond type | Double bond | Triple bond | Single bond |
| IUPAC name of the first member of the series | Ethene | Ethyne | Methane |
| Type of reaction with chlorine | Addition | Addition | Substitution |
RELATED QUESTIONS
State any four characteristics of a homologous series
Write the molecular formula of two consecutive members of homologous series of aldehydes. State which part of these compounds determines their
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The molecular formula of an organic compound is C18H36. Name its homologous series.
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
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(c) C5H10O
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While going in an increasing order there is a rise in the molecular mass of the consecutive members of the homologous series by _______.
A carbon compound ‘A’ having melting point 156K and boiling point 351K, with molecular formula C2H6O is soluble in water in all proportions.
- Identify ‘A’ and draw its electron dot structure.
- Give the molecular formulae of any two homologues of ‘A’.
Consider the carbon compounds having following molecular formula:
(i) C3H6 (ii) C3H8 (iii) C4H6 (iv) C6H6 (v) C6H12
- State the number of double covalent bonds present in C3H6.
- Write the formula of first member of the homologous series to which the carbon compound C4H6 belongs.
- Which one of the above compounds forms a ring structure of carbon atoms?
- Identify, which of the above compounds, is a member of alkane series.
Consider the carbon compounds having following molecular formula:
(i) C3H6 (ii) C3H8 (iii) C4H6 (iv) C6H6 (v) C6H12
- State the number of double covalent bonds present in C3H8.
- Write the formula of first member of the homologous series to which the carbon compound C4H6 belongs.
- Which one of the above compounds forms a ring structure of carbon atoms?
- Identify, which of the above compounds, is a member of alkane series.
