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What is the representation and used of #H_2C=O#?

Answer 1

Of #"methanal"#, i.e. #"formaldehyde"#?

#O=CH_2#. This has appreciable water solubility (approx. #40*g*L^-1#) and such solutions are known as #"formalin"#, which is widely used to preserve tissue in the undertaking caper.

#"Formaldehyde"# has a normal boiling point of #-19# #""^@C#. It is a quite unpleasant gas to get a whiff of.

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Answer 2

Wyatt Atkins

H₂C=O is a carbonyl group that is frequently present in organic compounds. It is utilized in molecules such as aldehydes and ketones, and it is important for a number of different chemical reactions as well as functional groups.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.