Question

ch2 stands for what​

Answer 1

Answer:

Explanation: the chemical name of the ch2 is methylene.

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Answer 2

Ch2 is a methylene group but it cannot exist independently.

Explanation:

• The valency of carbon is 4.
• In case of methylene only two of the valency of carbon is satisfied.
• Hence methylamine is a Carbo anion and it is very unstable since it very easily reacts with other compounds.
• Also methylene can form double bond with other molecule of methylene to form ethene.
• Methylene group gets added to saturated compound by addition reaction and gets added to unsaturated compound by nucleophilic substitution reaction.

To know more about methylene,

How many methylene groups are present in one molecule of propene

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