
Question: In H2O2 , the two oxygen atoms have
A) Electrovalent bond
B) Covalent bond
C) Coordinate bond
D) No bond
Answer
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Hint: A chemical bond defines the attraction of ions, atoms or molecules that causes the formation of molecules. The chemical bonds are of different types, ionic, covalent and coordinate bonds.
Complete step by step solution:Let's discuss the different types of bonds.
An ionic bond defines the one which forms due to the attraction of oppositely charged ions. For example, the molecule of sodium chloride is due to the attraction of the sodium cation and the chloride anion.
The formation of a covalent bond occurs due to the share of electrons between atoms. For example, methane (CH4) is a covalent compound as the bonds formed between C and hydrogen atoms are covalent bonds.
The coordinate bond is the one that forms due to the donation of an electron pair by any one atom. For example, in the molecule of NH4+, one N-H bond is a coordinate bond.
Let’s understand the structure of H2O2 . The structure is
. Here, each bond is covalent bonds formed due to the sharing of electrons between the atoms. Therefore, the two atoms of oxygen have covalent bonds between them.
Hence, option B is right.
Note: Another type of bonding present, that is, hydrogen bond. This bond is formed when an electronegative atom like Nitrogen, oxygen and fluorine undergoes bond formation with the atom of hydrogen. The strength of hydrogen bond is weaker than ionic or covalent bond but its strength is stronger than van der Waals attraction.
Complete step by step solution:Let's discuss the different types of bonds.
An ionic bond defines the one which forms due to the attraction of oppositely charged ions. For example, the molecule of sodium chloride is due to the attraction of the sodium cation and the chloride anion.
The formation of a covalent bond occurs due to the share of electrons between atoms. For example, methane (CH4) is a covalent compound as the bonds formed between C and hydrogen atoms are covalent bonds.
The coordinate bond is the one that forms due to the donation of an electron pair by any one atom. For example, in the molecule of NH4+, one N-H bond is a coordinate bond.
Let’s understand the structure of H2O2 . The structure is

Hence, option B is right.
Note: Another type of bonding present, that is, hydrogen bond. This bond is formed when an electronegative atom like Nitrogen, oxygen and fluorine undergoes bond formation with the atom of hydrogen. The strength of hydrogen bond is weaker than ionic or covalent bond but its strength is stronger than van der Waals attraction.
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