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प्रश्न
Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.
उत्तर
CnH2n – 2 is the general formula for alkynes. The second member of the alkyne family is propyne with the formula C3H4.
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संबंधित प्रश्न
Classify the following carbon compounds into two homologous series and name them.
C3H4, C3H6, C4H6, C4H8, C5H8, C5H10
Write the molecular formula of two consecutive members of homologous series of aldehydes. State which part of these compounds determines their
- physical and
- chemical properties
Give the structural formula for 1, 2-dichloroethane
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
The molecular formula of a homologue of butane is:
(a) C4H8
(b) C3H6
(c) C4H6
(d) C3H8
Propane and ethane are ______.
Give the structure of the second member of the alcohol group
There are different general molecular formula for all members of the 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. ______ |
Define Homologous series.
