Question

What is the formula of 2,hydroxy Butanal.

Answer 1

⛦Hᴇʀᴇ Is Yoᴜʀ Aɴsᴡᴇʀ⚑
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　　　▶The formula of:-
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[1] Hydroxy
➙ 0H

➧ An organic acid containing both a carboxyl & a hydroxyl group.

[2] Butanal
➙ C4H8O

➧ A colourless flammable liquid with an acrid smell.

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Answer 2

The formula of 2-hydroxyl butanal is $C_4H_8O_2$.

• The given compound is 2-hydroxy butanal.
• The "nal" is the IUPAC name proving that it has an aldehyde group.
• The 2-hydroxy proves that it has a hydroxyl group at C-2.
• The main chain contains four carbon atoms.
• Hence the structure of the compound is as follows-
• $H_3C-CH_2-CH(OH)-CHO$
• Hence the formula of 2-hydroxyl butanal is $C_4H_8O_2$.