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What is homologous series?

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प्रश्न

What is homologous series?

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उत्तर

A homologous series is a group of organic compounds having similar structures and similar chemical properties.

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पाठ 12: Organic Chemistry: Organic Compounds - Exercises [पृष्ठ २६१]

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फ्रँक Chemistry Part 2 [English] Class 10 ICSE
पाठ 12 Organic Chemistry: Organic Compounds
Exercises | Q 17. (a) | पृष्ठ २६१

संबंधित प्रश्‍न

Write three uses of ethyne.


Give the reactions of ethyne with Hydrogen



When sodium propionate is heated with soda-lime, the product formed is


Which compound should be heated with soda lime to obtain ethane gas in the laboratory?


Give chemical equation for:

The laboratory preparation of methane from sodium acetate.


Using the structural formula, identify the functional group by circling it:

Dimethyl ether


Give the structural formulae for the following:

2-propanol


Give a chemical test to distinguish between Saturated and Unsaturated?


Name the compound prepared by the following reaction:

\[\ce{C2H5COONa +NaOH ->}\] 


The structures of six organic compounds are shown:

A

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

B

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

C

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

D

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

E

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

F

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

  1. Identify two of the compounds that are members of the same homologous series but are not isomers.
  2. Which two compounds are isomers of each other?
  3. F can be prepared from D. Give a chemical equation for the reaction.

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