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What is the difference in the molecular ...

What is the difference in the molecular formula of the two successive members in a homologous family ?

Text Solution

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The correct Answer is:
`CH_(2)`
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In what respect, the two successive members of a homologous series differ ?

What would be the general formula for the molecular formulae of the members of the homologous series of alkanes ? What would be the value of 'n' for the first member of this series ?

Knowledge Check

  • Assertion (A): In a homologous series of alcohols, the formula for the second member is C_(2) H_(5) OH and the third member is C_(3) H_(7) OH Reason (R) : The difference between the molecular masses of the two consecutive members of a homologous series is

    A
    Both A and R are true and R is correct explanation of the Assertion
    B
    Both A and R are true but R is not the correct explanation of the Assertion.
    C
    A is true but R is false.
    D
    A is false but R is true.
  • Assertion (A): In a homologous series of alcohols, the formula for the second member is C_(2)H_(5)OH and the third member is C_(3)H_(7)OH . Reason (R): The difference between the molecular masses of the two consecutive members of a homologous series is 14u.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is NOT the correct explanation of A.
    C
    A is true but R is false.
    D
    A is false and R is true.
  • The difference in molecular weights of two consecutive members of a homologous series is

    A
    14
    B
    2
    C
    4
    D
    8
  • Similar Questions

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    What would be the general formula for the molecular formulae of the members of the homologous series of alkanes ? What would be the value of 'n' for the first member of this series ?

    What would be the general formula for the molecular formulae of the members of the homologous series of alkanes ? What would be the value of 'n' for the first member of this series ?

    The difference in molecular weight of two consecutive members of a homologous series is

    The members of a homologous series have

    The molecular formula of the third member of the homologous series of ketones is :