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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 next homologue of the following: C4H6
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
Give the molecular formula of one homologue of the following:
C2H6
An organic compound having the molecular formula C3H6O can exist in the form of two isomers A and B having different functional groups. The isomer A is a liquid which is used as a solvent for nail polish. The isomer B is also a liquid. An aqueous solution of one of the lower homologues of B is used for preserving biological specimens in the laboratory
(a) What is compound A?
(b) Write the electron-dot structure of A.
(c) What is compound B?
(d) Write the electron-dot structure of B.
(e) Name the lower homologue of compound B which is used in preserving biological specimens.
Propane and ethane are ______.
Define homologous series of organic compounds. List its two characteristics. Write the name and formula of the first member of the series of alkenes.
Copy and complete the following table, which relates to the three homologous series of hydrocarbons:
| General formula | CnH2n | CnH2n-2 | CnH2n+2 |
| IUPAC name of the homologus series | |||
| Characteristic bond type | Single bonds | ||
| IUPAC name of the first member of the series | |||
| Type of reaction with chlorine | Addition |
What is a homologous series?
Consider the following molecular formulae of carbon compounds:
(i) CH3COOH (ii) CH3OH (iii) C2H6 (iv) C3H4 (v) C4H8
- Which one of these compounds belongs to homologous series of alcohols?
- Identify the compound having triple bond between carbon-carbon atoms.
- Write the molecular formula of the first member of the homologous series to which CH3COOH belongs.
- Write the general formula of the series to which the compound C4H8 belongs.
