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प्रश्न
- What is the special feature of the structure of:
- C2H2?
- C2H4?
- What type of reaction is common to both of these compounds?
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उत्तर
-
- C2H2 contains a triple bond between the two carbon atoms (one sigma and two pi bonds) and has a linear molecular geometry (180° bond angle).
- C2H4 contains a double bond between the two carbon atoms (one sigma and one pi bond) and has a coplanar, trigonal planar geometry (≈ 120° bond angle).
- Both compounds commonly undergo addition reactions (such as hydrogenation or halogenation) because they are unsaturated hydrocarbons containing multiple carbon-carbon bonds that can easily open up to bond with new atoms.
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संबंधित प्रश्न
Arrange the following according to the instruction given in the bracket:
Ethane, methane, ethene, ethyne (In the increasing order of the molecular weight) [H = 1. C = 12].
Give four differences between organic and inorganic compounds.
Give the name and formula of one member of the following:
Saturated hydrocarbons
Write the equations to show what happens when ethyne gas reacts with
Bromine water
Explain the following:
Ethene and ethyne burn with sooty luminous flame
Give the name and strusctural formula of:
Ansaturated hydrocarbon with a double bond.
Give the correct IUPAC name and the fiJnctional group for each of the
compounds whose structural formulae are given below:
\[\begin{array}{cc}
\phantom{.....................}\ce{H}\phantom{...}\ce{H}\phantom{....}\ce{O}\phantom{...............}\\
\phantom{...........}| \phantom{....}|\phantom{.} \phantom{..}//\phantom{......}\\
\ce{H-C-C-C}\\
\phantom{.......}| \phantom{....}|\phantom{..}\phantom{..}\text{\\} \phantom{..}\\
\phantom{...............}\ce{H}\phantom{...}\ce{H}\phantom{}\phantom{...}\ce{H}\phantom{.........}\
\end{array}\]
The unsaturated hydrocarbons undergo ______.
Draw the structural formula for the following:
2, 3-dimethyl butane
Name the compound prepared by the following reaction:
\[\ce{C2H5Br + KOH (alcoholic solution) ->}\]
