The molecules that can form hydrogen bonds are those that have hydrogen atoms bonded to highly electronegative atoms such as nitrogen, oxygen, or fluorine.

1. CH3-O-CH3 (Dimethyl ether): This molecule does not have a hydrogen directly bonded to an oxygen, so it cannot form hydrogen bonds.

2. CHCl3 (Chloroform): This molecule does not have a hydrogen directly bonded to a highly electronegative atom (N, O, or F), so it cannot form hydrogen bonds.

3. H2O (Water): This molecule has hydrogen atoms directly bonded to oxygen, which is highly electronegative. Therefore, it can form hydrogen bonds.

4. DNA: The base pairs in DNA are held together by hydrogen bonds. The hydrogen bonds are between the nitrogenous bases - adenine (A) pairs with thymine (T) via two hydrogen bonds, and guanine (G) pairs with cytosine (C) via three hydrogen bonds.

So, the correct answers are H2O and DNA.

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The molecules that can form hydrogen bonds are those that have hydrogen atoms bonded to highly electronegative atoms such as nitrogen, oxygen, or fluorine.

1. CH3-O-CH3 (Dimethyl ether): This molecule does not have a hydrogen directly bonded to an oxygen, so it cannot form hydrogen bonds.

2. CHCl3 (Chloroform): This molecule does not have a hydrogen directly bonded to a highly electronegative atom (N, O, or F), so it cannot form hydrogen bonds.

3. H2O (Water): This molecule has hydrogen atoms directly bonded to oxygen, which is highly electronegative. Therefore, it can form hydrogen bonds.

4. DNA: The base pairs in DNA are held together by hydrogen bonds. The hydrogen bonds are between the nitrogenous bases - adenine (A) pairs with thymine (T) via two hydrogen bonds, and guanine (G) pairs with cytosine (C) via three hydrogen bonds.

So, the correct answers are H2O and DNA.

Knowee AI · Accepted Answer

The molecules that can form hydrogen bonds are those that have hydrogen atoms bonded to highly electronegative atoms such as nitrogen, oxygen, or fluorine.

1. CH3-O-CH3 (Dimethyl ether): This molecule does not have a hydrogen directly bonded to an oxygen, so it cannot form hydrogen bonds.

2. CHCl3 (Chloroform): This molecule does not have a hydrogen directly bonded to a highly electronegative atom (N, O, or F), so it cannot form hydrogen bonds.

3. H2O (Water): This molecule has hydrogen atoms directly bonded to oxygen, which is highly electronegative. Therefore, it can form hydrogen bonds.

4. DNA: The base pairs in DNA are held together by hydrogen bonds. The hydrogen bonds are between the nitrogenous bases - adenine (A) pairs with thymine (T) via two hydrogen bonds, and guanine (G) pairs with cytosine (C) via three hydrogen bonds.

So, the correct answers are H2O and DNA.

Which of the following can hydrogen bond? (Choose all that apply) *1 pointCH3-O-CH3CHCl3H2ODNA

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