Q32 of 37 Page 336

Collect information about artificial ripening of fruits by ethylene.

i. Calcium carbide is one of the main artificial ripening agents of fruits. It speeds up the ripening process.


ii. When calcium carbide comes in contact with air, it produces ethylene.


iii. Ethylene effects of ripening are almost similar as natural ripening agents.


iv. That why it is most preferred.


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30

An organic compound 'X' with a molecular formula C2H6O undergoes oxidation with alkaline KMnO4 and forms the compound Y', that has molecular formula C2H4O2

a. Identify 'X' and 'Y'


b. Write your observation regarding the product when the compound 'X' is made to react with compound 'Y' which is used as a preservative for pickles.

 31

Prepare models of methane, ethane, ethene and ethyne molecules using clay halls and match sticks.

 33

Draw the electronic dot structure of ethane molecule (C2H6).

 34

How do you appreciate the role of esters in everyday life.