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The molecular formula of the first membe...

The molecular formula of the first member of a certain group of organic compounds is `CH_(2)O` (HCHO). Determine the name and the molecular formula of the third member of this group if the members of this group are in homologous series. What is the general name for this group of organic compounds ?

Text Solution

Verified by Experts

`"Name to "Propanol/Propanaldehyde."`
Molecular formula `to C_(3)H_(6)O(C_(2)H_(5)CHO)`
Aldehydes
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Knowledge Check

  • The structure of isobuty group in an organic compound is

    A
    `CH_3-CH_2-CH_2-CH_2-`
    B
    C
    D

  • The empirical formula of an organic compound is CH_(2)O . If its vapour density is 30 , the molecular formula of the compound is :

    A
    `CH_(2)O`
    B
    `C_(2)H_(4)O_(2)`
    C
    `C_(3)H_(6)O_(3)`
    D
    all the above

  • The group of compounds which are in homologous series is,

    A
    `CH_4 , C_2H_4, C_2H_2`
    B
    `CH_4, CH_3OH , HCHO`
    C
    `CH_4, C_2H_6, C_3H_8`
    D
    `C_2H_2 , C_3H_6, C_4H_10`

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    The general formula of a group of organic compounds in C_(n) H_(2n+1)OH. . Write the molecular formula of first two members of this group. Examine whether these two compounds are in homologous series, based on their molecular formula.

    The group of compounds which are in homologous series is,

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    Empricial formula of a compound is CH_(2)O and its molecular mass is 90, the molecular formula of the compound is

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