Structure of Ethanal and Ethylidene Chloride

Understanding chemical structures is vital for organic chemistry. Let's look at the structure and formula of two important organic compounds: Ethanal and Ethylidene chloride.

Question (Click to Flip)

What is the formula and structure of ethanal?

Answer

The formula of ethanal is CH3CHO. Structurally, a methyl group (CH3) is attached to a carbon atom that is double-bonded to oxygen and single-bonded to hydrogen.

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Key Facts

Ethanal: Also called Acetaldehyde. Contains an Aldehyde group (-CHO).

Ethanal Formula: CH₃CHO.

Ethylidene Chloride: A geminal dihalide (two halogens on the same carbon).

Ethylidene Chloride IUPAC Name: 1,1-Dichloroethane.

1. Ethanal (Acetaldehyde)

IUPAC Name: Ethanal
Common Name: Acetaldehyde
Functional Group: Aldehyde (-CHO)
Chemical Formula: CH₃CHO

Structure Details: It has two carbon atoms. The first carbon is a methyl group (CH₃). The second carbon is double-bonded to an Oxygen atom and single-bonded to a Hydrogen atom (C=O).

      H
      |
H -- C -- C == O
      |   |
      H   H

2. Ethylidene Chloride

IUPAC Name: 1,1-Dichloroethane
Type: Geminal dihalide (Both halogen atoms are attached to the same carbon atom).
Chemical Formula: CH₃CHCl₂

Structure Details: It has a two-carbon chain (Ethane base). On the first carbon atom (C1), two Chlorine (Cl) atoms are attached, replacing two hydrogen atoms.

      H   Cl
      |   |
H -- C -- C -- H
      |   |
      H   Cl

Questions and Answers

What is the formula and structure of ethanal?+

The formula of ethanal is CH3CHO. Structurally, a methyl group (CH3) is attached to a carbon atom that is double-bonded to oxygen and single-bonded to hydrogen.

What is ethylidene chloride?+

Ethylidene chloride is an organic compound with the formula CH3CHCl2. Its IUPAC name is 1,1-Dichloroethane, and it is a geminal dihalide where both chlorine atoms are on the same carbon.

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