Formaldehyde | MCQs

Explanation

Explanation

Formaldehyde (HCHO), also known as methanal

It is an organic compound, the simplest of the aldehydes,

At room temperature, it is a colorless, flammable gas with a pungent smell.

Formula: CH₂O

Molar mass: 30.031 g/mol

Boiling point: -19 °C

Explanation

Formaldehyde contains:

• one carbon atom
• two hydrogen atoms
• one oxygen atom.

The formaldehyde formula is written CH2O or HCHO,

At room temperature, formaldehyde is a colorless, flammable gas that is a distinct, pungent smell.

It is also known as :

• methanal,
• methylene oxide,
• oxymethylene,
• methyl aldehyde
• oxomethane.

Explanation

The structure of the meta - formaldehyde consists of a ring that has:

• 3 carbon and 3 oxygen bonded with each other.

Some number of molecules of formaldehyde combine to form a ring structure

Metaformaldehyde is a trimer of formaldehyde.

It is also called 1, 3, 5-trioxane, trioxane, or trioxin.