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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 ?

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The correct Answer is:
`CH_(2)`
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Explore conceptually related problems

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.

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

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

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

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
    • DINESH PUBLICATION-ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES-Problems For Practice
    1. What is the difference in the molecular formula of the two successive ...

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    2. The molecular formula of the first member of alkyne family is C(2)H(2)...

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    3. In the name cyclobutane for a compound, what does cyclo represent ?

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    4. Give the IUPAC name of third member of the alkanol family.

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    5. Can an organic compound have two OH groups attached to the same carbon...

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    6. What is the IUPAC name of the compound (CH(3))(2)NC(2)H(5) ?

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    7. In the IUPAC name methoxyethane for an ether, what does methoxy repres...

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    8. Suggest anoth name for nitroethane.

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    9. How will you purify a simple of benzoic acid containing sodium chlorid...

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    10. Suggest a method to purify impure naphthalene.

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    11. Can we purify impure sugar by sublimation process ?

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    12. How will you purify impure sample of benzene ?

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    13. You are given a mixture of acetone and methyl alcohol. How will you se...

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    14. How is aniline purified ?

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    15. Suggest a method to deparate a mixture of o-nitrophenol and p-nitrophe...

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    16. Can glycerol be purified by simple distillation ?

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    17. How will you separate a mixture of two solids which differ in their so...

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    18. Can we separate a mixture of benzoic acid and camphor by sublimation ?

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    19. Which reagent is used to detect hydrogen in an organic compound ?

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