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प्रश्न
Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.
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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
What is the next higher homologue of methanol (CH3OH)?
Give the molecular formula of one homologue of the following:
C3H6
Propane and ethane are ______.
Give the structure of the second member of the alcohol group.
Define homologous series of organic compounds. List its two characteristics. Write the name and formula of the first member of the series of alkenes.
What is the difference in the molecular formula of any two adjacent homologues:
(i) In terms of molecular mass
(ii) In terms of number and kind of atoms per molecule?
Saturated hydrocarbon : Single bond : : Unsaturated hydrocarbon : _______
Complete the following chart by using examples given in brackets.
(isobutylene, cyclohexane, propane, cyclohexene, cyclopentane, benzene, propyne, isobutane, propene)
| Straight chain hydrocarbons | Branched chain hydrocarbons | Cyclic hydrocarbons |
Which of the following does not belong to the same 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. ______ |
