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प्रश्न
Give the molecular formula of one homologue of the following:
C3H6
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उत्तर
The molecular formula of a homologue of C3H6 is C4H8. It belongs to the homologous series of alkenes having the general formula CnH2n.
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संबंधित प्रश्न
What is a homologous series?
State any four characteristics of a homologous series
Write the molecular formula of first two members of homologous series having functional group – OH
What is the difference between two consecutive homologues:
(1) in terms of molecular mass?
(2) in terms of number and kind of atoms per molecule?
Write the molecular formula of the third member of the homologous series of carbon compounds with general formula CnHO2n+1OH.
The molecular formula of a homologue of butane is:
(a) C4H8
(b) C3H6
(c) C4H6
(d) C3H8
Why homologous series of carbon compounds are so called? Write chemical formula of two consecutive members of a homologous series and state the part of these compounds that determines their (i) physical properties, and (ii) chemical properties.
Write the name and formula of the fourth member of the following homologous series:
Alkyne
What is the difference in the molecular formula of any two adjacent homologues:
(i) In terms of molecular mass
(ii) In terms of number and kind of atoms per molecule?
While going in an increasing order there is a rise in the molecular mass of the consecutive members of the homologous series by _______.
There are different general molecular formula for all members of the homologous series.
Write a short note.
Homologous series
Complete the following table for homologous series of Alkenes.
| Name | Molecular formula | Condensed structural formula | Number of carbon atom | Number of -CH2- units | Boiling point °C |
| Ethene | C2H4 | CH2 = CH2 | 2 | 0 | -102 |
| Propene | C3H6 | CH3–CH = CH2 | 3 | 1 | -48 |
| 1-Butene | C4H8 | CH3–CH2–CH = CH2 | ______ | ______ | -6.5 |
| 1-Pentene | C5H10 | CH3–CH2–CH2–CH = CH2 | ______ | ______ | 30 |
Which of the following pairs can be the successive members of a homologous series?
Which of the following does not belong to the same homologous series?
Which of the following does not belong to the same homologous series?
Consider the carbon compounds having following molecular formula:
(i) C3H6 (ii) C3H8 (iii) C4H6 (iv) C6H6 (v) C6H12
- State the number of double covalent bonds present in C3H6.
- Write the formula of first member of the homologous series to which the carbon compound C4H6 belongs.
- Which one of the above compounds forms a ring structure of carbon atoms?
- Identify, which of the above compounds, is a member of alkane series.
Name the third homologue of alcohols.
