मराठी

The compound which is used for artificial ripening of fruits.

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प्रश्न

The compound which is used for artificial ripening of fruits.

पर्याय

  • Ethene

  • Ethanoic acid

  • Ethanol

  • Methanal

MCQ
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उत्तर

Ethene

Explanation:

Fruits start their ripening process with gaseous ethylene emissions. So, a chemical called ethephon (2-chloroethyl phosphonic acid) is also used to make fruits ripen faster. This chemical gets inside the fruit and breaks down into ethylene calcium carbide.

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पाठ 12: Organic Chemistry: Organic Compounds - Questions from ICSE Examinations [पृष्ठ २६२]

APPEARS IN

फ्रँक Chemistry Part 2 [English] Class 10 ICSE
पाठ 12 Organic Chemistry: Organic Compounds
Questions from ICSE Examinations | Q 2024. 4. (c) | पृष्ठ २६२

संबंधित प्रश्‍न

Give the various applications of organic chemistry?


Why are organic compounds studies as a separate branch of chemistry?


Fill in the blank:

Vital force theory was discarded by the synthesis of__________ in laboratory.


Explain the following:

Ethyne is used for welding and cutting metals


The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Which forms methanoic acid on oxidation in the presence of copper at 200°C


Write balanced euation for the following :

Name a compound which will give acetylene gas, when treated with water.


Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

Homologue of homologous series with general formula CnH2n.


Identify the gas evolved when sodium propionate is heated with sodalime


The compound which does not have a double bond in its structure.


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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