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Name a Cyclic Unsaturated Carbon Compound. - Science

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Question

Name a cyclic unsaturated carbon compound.

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Solution

An example of a cyclic unsaturated compound is Cyclobutene.

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2019-2020 (February) Delhi (Set 1)

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Answer the following question.
Name a cyclic unsaturated carbon compound.


Which among the following are unsaturated hydrocarbons?

  1. \[\ce{H3C - CH2 - CH2 - CH3}\]
  2. \[\ce{H3C - C ≡ C - CH3}\]
  3. \[\begin{array}{cc}
    \ce{H3C - CH - CH3}\\
    |\phantom{..}\\
    \phantom{.}\ce{CH3}
    \end{array}\]
  4. \[\begin{array}{cc}
    \ce{H3C - C = CH2}\\
    |\phantom{.}\\
    \phantom{..}\ce{CH3}
    \end{array}\]

Identify and name the functional groups present in the following compounds.

  1. \[\begin{array}{cc}
    \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\
    \phantom{}|\phantom{....}|\phantom{....}|\phantom{..}\\
    \ce{H - C - C - C - OH}\\
    \phantom{}|\phantom{....}|\phantom{....}|\phantom{..}\\
    \ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{..}\\
    \end{array}\]
  2. \[\begin{array}{cc}
    \phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{....}\\
    \phantom{...}|\phantom{....}|\phantom{....}||\phantom{....}\\
    \ce{H - C - C - C - OH}\\
    \phantom{...}|\phantom{....}|\phantom{.........}\\
    \phantom{}\ce{H}\phantom{...}\ce{H}\phantom{.......}\\
    \end{array}\]
  3. \[\begin{array}{cc}
    \phantom{......}\ce{H}\phantom{....}\ce{H}\phantom{....}\ce{O}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{.......}\\
    \phantom{....}|\phantom{....}|\phantom{....}||\phantom{....}|\phantom{....}|\phantom{....}\\
    \ce{H} - \ce{C} - \ce{C} - \ce{C} - \ce{C} - \ce{C} - \ce{H}\\
    \phantom{....}|\phantom{.....}|\phantom{........}|\phantom{....}|\phantom{....}\\
    \phantom{....}\ce{H}\phantom{....}\ce{H}\phantom{........}\ce{H}\phantom{..}\ce{H}\phantom{.....}\\
    \end{array}\]
  4. \[\begin{array}{cc}
    \phantom{......}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{......}\\
    \phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{....}\\
    \ce{H - C - C - C = C - H}\\
    \phantom{....}|\phantom{....}|\phantom{.............}\\
    \phantom{....}\ce{H}\phantom{...}\ce{H}\phantom{.............}
    \end{array}\]

Name the reaction which is commonly used in the conversion of vegetable oils to fats. Explain the reaction involved in detail.


The formulae of four organic compounds are shown below. Choose the correct option

A B C D
\[\begin{array}{cc}
\phantom{.}\ce{H}\phantom{......}\ce{H}\\
\phantom{.}\backslash\phantom{.....}/\\
\ce{C = C}\\
/\phantom{.....}\backslash\\
\ce{H}\phantom{......}\ce{H}
\end{array}\]
\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{.....}\ce{O}\\
\phantom{.......}|\phantom{....}//\\
\ce{H - C - C}\\
\phantom{......}|\phantom{.....}\backslash\\
\phantom{...........}\ce{H}\phantom{.....}\ce{O - H}
\end{array}\]

\[\begin{array}{cc}
\ce{H}\phantom{....}\ce{H}\\
|\phantom{.....}|\\
\ce{H - C - C - H}\\
|\phantom{.....}|\\
\ce{H}\phantom{....}\ce{H}
\end{array}\]

 

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{....}\\
|\phantom{....}|\phantom{....}\\
\ce{H - C - C - O - H}\\
|\phantom{....}|\phantom{.....}\\
\ce{H}\phantom{....}\ce{H}\phantom{.....}
\end{array}\]

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