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Question
Write names of first four homologous series of alcohols.
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Solution
Name of first four homologous series of alcohols.
RELATED QUESTIONS
Classify the following carbon compounds into two homologous series and name them.
C3H4, C3H6, C4H6, C4H8, C5H8, C5H10
Carbon compounds have usually ______ melting points and boiling points because they are ______ in nature.
What is the difference between two consecutive homologues:
(i) in terms of molecular mass?
(ii) in terms of number and kind of atoms per molecule?
The molecular formula of a homologue of butane is ______.
Propane and ethane are ______.
Succeeding members of a homologous series differ by ______.
Give the structure of the second member of the alcohol group.
Give the names and the structural formula of the first three members of the homologous series of alkanes.
Distinguish between homologous organs and analogous organs. In which category would you place wings of a bird and wings of a bat? Justify your answer giving a suitable reason.
Give three points to differentiate between saturated and unsaturated
hydrocarbons.
What is a homologous series?
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
While going in an increasing order of the length there is a rise in the molecular mass of the members by ______.
The general molecular formula for the homologous series of alkynes is _______.
Right or wrong sentence.
As one ascends in any homogeneous category, physical properties change in one direction.
Complete the following table for the homologous series of alkanes.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Methane | CH4 | CH4 | 1 | 1 | -162 |
| Ethane | C2H6 | CH3–CH3 | 2 | 2 | -88.5 |
| Propane | C3H8 | CH3–CH2–CH3 | 3 | 3 | -42 |
| Butane | C4H10 | CH3–CH2–CH2–CH3 | ______ | ______ | 0 |
| Pentane | C5H12 | CH3–CH2–CH2–CH2–CH3 | ______ | ______ | 36 |
| Hexane | C6H14 | CH3–CH2–CH2–CH2–CH2–CH3 | ______ | ______ | 69 |
Observe the structural formula and answer the following questions.
- Write the name of the given hydrocarbon.
- The given hydrocarbon is included in which type of hydrocarbon?
- What is the kind of compounds with the above characteristic structure called?
Which of the following pairs can be the successive members of a homologous series?
Name the third homologue of aldehydes.
