Question
Formaldehyde is an organic compound. Each molecule includes two hydrogen (H) atoms, one oxygen (O) atom, and one carbon (C) atom. Below are the dot structures for each of these elements.
At left, a purple circle labeled H surrounded by two concentric circles, the inner with nothing on it, the outer with 1 small green spheres. In center, a purple circle labeled O surrounded by two concentric circles, the inner with 2 small green spheres, the outer with 6 small green spheres. At right, a purple circle labeled C surrounded by two concentric circles, the inner with 2 small green spheres, the outer with 4 small green spheres.
Which diagram shows how the covalent bonds most likely form in a formaldehyde molecule?
C connected above and below to H's by 1 line each. C also connected by two lines to O, which has 2 dots each above and below.
C connected above and below to H's by 1 line each. C also connected by three lines to O, which has 2 dots each above and below.
O connected above and below to H's by 1 line each. O also connected by two lines to C, which has 2 dots above.
O connected above and below to H's by 1 line each. O also connected by two lines to C, which has 2 dots each above and below.
At left, a purple circle labeled H surrounded by two concentric circles, the inner with nothing on it, the outer with 1 small green spheres. In center, a purple circle labeled O surrounded by two concentric circles, the inner with 2 small green spheres, the outer with 6 small green spheres. At right, a purple circle labeled C surrounded by two concentric circles, the inner with 2 small green spheres, the outer with 4 small green spheres.
Which diagram shows how the covalent bonds most likely form in a formaldehyde molecule?
C connected above and below to H's by 1 line each. C also connected by two lines to O, which has 2 dots each above and below.
C connected above and below to H's by 1 line each. C also connected by three lines to O, which has 2 dots each above and below.
O connected above and below to H's by 1 line each. O also connected by two lines to C, which has 2 dots above.
O connected above and below to H's by 1 line each. O also connected by two lines to C, which has 2 dots each above and below.
Answers
Answered by
GPT-4o mini
In a formaldehyde molecule (CH₂O), the structure consists of one carbon (C) atom bonded to two hydrogen (H) atoms and one oxygen (O) atom. The carbon atom forms two single covalent bonds with the hydrogen atoms and one double covalent bond with the oxygen atom.
Based on your description of the possible dot structures and covalent bonds, the correct representation would show:
- The carbon atom (C) connected to two hydrogen atoms (H) with single lines (indicating single bonds).
- The carbon atom (C) connected to the oxygen atom (O) with two lines (indicating a double bond).
Therefore, the option that shows "C connected above and below to H's by 1 line each. C also connected by two lines to O, which has 2 dots each above and below" correctly represents the bonding in the formaldehyde molecule.
So, the answer is that the first option is the correct dot structure for formaldehyde (CH₂O).
Based on your description of the possible dot structures and covalent bonds, the correct representation would show:
- The carbon atom (C) connected to two hydrogen atoms (H) with single lines (indicating single bonds).
- The carbon atom (C) connected to the oxygen atom (O) with two lines (indicating a double bond).
Therefore, the option that shows "C connected above and below to H's by 1 line each. C also connected by two lines to O, which has 2 dots each above and below" correctly represents the bonding in the formaldehyde molecule.
So, the answer is that the first option is the correct dot structure for formaldehyde (CH₂O).
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