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प्रश्न
Give three points to differentiate between saturated and unsaturated
hydrocarbons.
Differentiate between the following:
Saturated and unsaturated organic compounds.
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उत्तर
| Sr. No. | Saturated organic compound | Unsaturated organic compound |
| 1. | All four valencies of each carbon atom are satisfied by forming single covalent bonds with carbon and with hydronium atoms. | The valencies of at least two carbon atoms are not fully satisfied by the hydrogen atoms. |
| 2. | Carbon atoms are joined only by a single covalent bond | Carbon atoms are joined by double covalent bonds or by triple covalent bonds. |
| 3. | Less reactive | More reactive |
संबंधित प्रश्न
Write the molecular formula of first two members of homologous series having functional group −Br.
By how many carbon atoms and hydrogen atoms do any two adjacent homologues differ?
Propane and ethane are ______.
Give the abbreviated formula of the third member of the alcohol.
Assertion (A): In a homologous series of alcohols, the formula for the second member is C2H5OH and the third member is C3H7OH.
Reason (R): The difference between the molecular masses of the two consecutive members of a homologous series is 144.
While going in an increasing order of the length there is a rise in the molecular mass of the members by ______.
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?
Successive members of a homologous series vary by how many atomic mass unit?
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.
