Q2 of 56 Page 119

Write true or false for the following statements:

Alcohols react with sodium leading to the evolution of carbon dioxide.

False

Alcohols react with sodium to evolve hydrogen gas, along with the formation of sodium alkoxides.


Alcohol + Na → Sodium alkoxide + H2


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23

The first member of alkyne homologous series is:

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Write true or false for the following statements:

Scum is formed due to the reaction of soap with calcium and magnesium salts present in hard water.

 3

Write true or false for the following statements:

Heating ethanol at 443 K with excess concentrated sulphuric acid results in the dehydration of ethanol to give ethene.

 4

Write true or false for the following statements:

Esters are most commonly formed by reaction of an aldehyde with ketones.