(a)
Interpretation:
Whether the compound zinc bromide is held together by ionic or covalent bond is to be stated.
Concept introduction:
The bond which occurs due to the electrostatic attraction in the oppositely charged ions is known as an ionic bond. The compounds that are formed by ionic bonds are known as ionic compounds. The atom which loses the electron is known as cation and the atom which gains the electron is known as anion.
(b)
Interpretation:
Whether the compound ammonia is held together by ionic or covalent bond is to be stated.
Concept introduction:
The covalent bond is formed when there is a difference in the electronegativity’s between the atoms. In the molecule of water, the electronegativity of oxygen is more than hydrogen. So, the valence electrons in hydrogen are attracted towards the oxygen atom because of which a partial positive charge on hydrogen atom occurs and a covalent bond is formed.
(c)
Interpretation:
Whether the compound iodine hepta-fluoride is held together by ionic or covalent bond is to be stated.
Concept introduction:
The covalent bond is formed when there is a difference in the electronegativity’s between the atoms. In the molecule of water, the electronegativity of oxygen is more than hydrogen. So, the valence electrons in hydrogen are attracted towards the oxygen atom because of which a partial positive charge on hydrogen atom occurs and a covalent bond is formed.
(d)
Interpretation:
Whether the compound lead
Concept introduction:
The bond which occurs due to the electrostatic attraction in the oppositely charged ions is known as an ionic bond. The compounds that are formed by ionic bonds are known as ionic compounds. The atom which loses the electron is known as cation and the atom which gains the electron is known as anion.
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