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प्रश्न
Write the molecular formulae of the third and fifth members of homologous series represented by general formula CnH2n-2.
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उत्तर
As the general formula of the homologous series is CnH2n-2 so they represent Alkynes.
Third member: C4H6
Fifth member: C6H10
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संबंधित प्रश्न
What are carboxylic acids?
Give the various applications of organic chemistry?
Give the name and formulae of one member of each of the following:
(a) Saturated hydrocarbons
(b) Unsaturated Hydrocarbons
Give the names of any three alkyl groups. How are they formed?
Write the physical properties of ethene.
What is hydrogenation? How hydrogenation of ethene occurs? Give one use of hydrogenation.
What are addition reactions? Why ethene undergo addition reactions? Give
two examples.
Write the observation and name of the product for the following
(i) When ethene is passed in bromine solution in CCl4.
(ii) When Baeyer's reagent reacts with ethene.
What is the special feature of the structure of:
(a) C2H2
(b) C2H4
Compound A is bubbled through bromine dissolved in carbon tetrachloride, and the product is CH2Br – CH2Br.
\[\ce{A ->[Br2/CCl4] CH2Br - CH2Br}\]
- Draw the structural formula of A.
- What type of reaction has A undergone?
- What is your observation?
- Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.
- What is the procedure for converting the product of (iv) back to A?
