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प्रश्न
Give the abbreviated formula of the third member of the alcohol.
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उत्तर
CH3 – CH2 – CH2 – OH
संबंधित प्रश्न
Write the next homologue of the following: C4H6
Fill in the following blank with suitable word:
Ethene and ethyne are examples of ..... hydrocarbons.
What is the next higher homologue of methanol (CH3OH)?
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
Write the name and molecular formula of the first member of the homologous series of alkynes.
Study the different conclusions drawn by students of a class on the basis of observations of preserved/available specimens of plants and animals.
I. Potato and sweet potato are analogous organs in plants.
II. Wings of insects and wings of birds are homologous organs in animals.
III. Wings of insects and wings of bats are analogous organs in animals.
IV. Thorns of citrus and tendrils of cucurbita are analogous organs in plants.
The correct conclusions are:
(A) I, and II
(B) II and IV
(C) I and III
(D) III and IV
While going in an increasing order there is a rise in the molecular mass of the consecutive members of the homologous series by _______.
The general molecular formula for the homologous series of alkynes is _______.
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 |
