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प्रश्न
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
विकल्प
Alkenes
Alkanes
Alkynes
Alcohol
उत्तर
The unsaturated hydrocarbons containing a carbon-carbon double bond are called Alkenes.
संबंधित प्रश्न
What is a homologous series?
State any four characteristics of a homologous series
Write the next homologue of the following: C4H6
Classify the following carbon compounds into two homologous series and name them.
C3H4, C3H6, C4H6, C4H8, C5H8, C5H10
Write the name and formula of the 2nd member of homologous series having general formula CnH2n.
Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.
Complete the following table which relates to the homologous series of hydrocarbons.
|
General Formula |
IUPAC name of the homologous series | Characteristic bond type | IUPAC name of the first member of the series |
| `C_nH_(2n-2)` | (A)________ | (B)______ | (C)______ |
| C_nH_(2n+1) | (B)________ | (E)______ | (F)______ |
Give the molecular formula of one homologue of each of the following:
C2H6
Give the names of the first four members of the homologous series of
alkynes.
The general formula of Alkane is _________________
Complete the correlation:
Alkene : C = C :: Alkyne: _______.
The general molecular formula for the homologous series of alkynes is _______.
Find the odd one out and give its explanation.
Write a short note.
Homologous series
Complete the following table for homologous series of alcohols.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Methanol | CH4O | CH3-OH | 1 | 1 | 63 |
| Ethanol | C2H6O | CH3–CH2-OH | 2 | 2 | 78 |
| Propanol | C3H8O | CH3–CH2–CH2-OH | ______ | ______ | 97 |
| Butanol | C4H10O | CH3–CH2–CH2–CH2–OH | ______ | ______ | 118 |
Complete the following table for homologous series of Alkenes.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Ethene | C2H4 | CH2 = CH2 | 2 | 0 | -102 |
| Propene | C3H6 | CH3–CH = CH2 | 3 | 1 | -48 |
| 1-Butene | C4H8 | CH3–CH2–CH = CH2 | ______ | ______ | -6.5 |
| 1-Pentene | C5H10 | CH3–CH2–CH2–CH = CH2 | ______ | ______ | 30 |
Successive members of a homologous series vary by how many atomic mass unit?
Name the third homologue of aldehydes.
