हिंदी

Complete the following table for homologous series of alcohols.

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प्रश्न

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
संक्षेप में उत्तर
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उत्तर

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 3 3 97
Butanol C4H10O CH3–CH2–CH2–CH2–OH 4 4 118
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अध्याय 9: Carbon compounds - Answer the Following

संबंधित प्रश्न

State any four characteristics of a homologous series


Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.


Write the molecular formula of first two members of homologous series having functional group -Cl.


Fill in the following blank with suitable word:

 Ethene and ethyne are examples of ..... hydrocarbons.


 Fill in the following blank with suitable word:

Carbon compounds have usually ... melting points and boiling points because they are ...... in nature.


Give the molecular formula of one homologue of each of the following:

C2H6


Define a homologous series. Give the name and structural formula of one homologue of the following:
CH3OH


Propane and ethane are ______.


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  

Write the name and formula of the fourth member of the following homologous series:

Alkyne


Haloalkanes react with alkalies to produce alcohol. Give the equation for the preparation of the second member of the homologous series of alcohol. State under what condition the reaction occurs.


Assertion (A): In a homologous series of alcohols, the formula for the second member is C2H5OH and the third member is C3H7OH.
Reason (R): The difference between the molecular masses of the two consecutive members of a homologous series is 144.


There are different general molecular formula for all members of the homologous series.


Write a short note.

Homologous series


Which of the following pairs can be the successive members of a homologous series?


The first member of alkyne homologous series is


Name the third homologue of aldehydes.


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