Advertisements
Advertisements
प्रश्न
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
Advertisements
उत्तर
The molecular formula of the third member of the homologous series, comprising the general formula CnH2n+1OH, is C3H7OH (propanol).
APPEARS IN
संबंधित प्रश्न
Write the name and formula of the 2nd member of homologous series having general formula CnH2n – 2.
Write the molecular formula of two consecutive members of homologous series of aldehydes. State which part of these compounds determines their
- physical and
- chemical properties
Fill in the following blank with suitable word:
Ethene and ethyne are examples of ..... hydrocarbons.
Write the names and formulae for the first three members of the homologous series for chloroalkanes.
The molecular formula of a homologue of butane is:
(a) C4H8
(b) C3H6
(c) C4H6
(d) C3H8
The molecular formula of the third member of the homologous series of ketones is:
(a) C4H8O
(b) C3H6O
(c) C5H10O
(d) C6H12O
Give the structure of the second member of the alcohol group.
What is homologous series ?
What is the difference in the molecular formula of any two adjacent homologues in terms of molecular mass?
Write the name and molecular formula of the first member of the homologous series of alkynes.
The unsaturated hydrocarbons containing a carbon-carbon double bond are called _______.
Find the odd one out and give its explanation.
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 |
Complete the following chart by using examples given in brackets.
(isobutylene, cyclohexane, propane, cyclohexene, cyclopentane, benzene, propyne, isobutane, propene)
| Straight chain hydrocarbons | Branched chain hydrocarbons | Cyclic hydrocarbons |
C3H8 belongs to the homologous series of ______.
Name the following organic compound:
The first homologue whose general formula is CnH2n.
Consider the carbon compounds having following molecular formula:
(i) C2H2 (ii) C2H5 (iii) C3H7OH (iv) C2H6COOH (v) CH3CHO
- Identify which one of the above compounds, is a member of aldehyde series.
- Write the general formula of the series to which compound C2H2 belongs.
- Which one of the above compounds has triple bonds between carbon-carbon atoms?
- Write the molecular formula of the first member of the homologous series to which the compound C3H7OH belongs.
