structural formula of 1-chloro-2-propanone
The Correct Answer and Explanation is:
Structural Formula of 1-Chloro-2-propanone:
Structural Formula:
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CH3—C—CH2Cl
Explanation
1-Chloro-2-propanone is an organic compound that contains three carbon atoms, one chlorine atom, and a carbonyl group (C=O). It is a derivative of 2-propanone (commonly known as acetone) where one hydrogen atom in the second carbon has been replaced with a chlorine atom.
To understand its structure, we can break down the name:
- “Propanone” indicates a three-carbon chain with a ketone functional group. A ketone has a carbonyl group (C=O) bonded to two other carbon atoms.
- “2-propanone” places the carbonyl group on the second carbon of a three-carbon chain, which is the correct and only possible position in propanone due to symmetry.
- “1-chloro” indicates that a chlorine atom is attached to the first carbon in the chain.
Thus, the carbon chain is organized as follows:
- Carbon 1: bonded to three hydrogen atoms and a chlorine atom (CH2Cl group)
- Carbon 2: the central carbon that forms a double bond with oxygen (C=O) and single bonds with carbons 1 and 3
- Carbon 3: a methyl group (CH3) bonded to carbon 2
Putting it together, the structural formula is CH3—CO—CH2Cl. This structure shows a ketone functional group on the middle carbon (carbon 2) and a chlorine atom attached to carbon 1.
1-Chloro-2-propanone is a reactive compound due to the presence of both an electron-withdrawing carbonyl group and a halogen atom. These features make it useful in organic synthesis, especially as an intermediate in pharmaceutical and chemical manufacturing. However, care must be taken in handling due to its irritant properties and potential toxicity.
