Concept explainers
(a)
Interpretation:
The chemical formula of nitrous oxide and the oxidation state of the group 5A element in nitrous oxide needs to be determined.
Concept introduction:
The group 5A elements show variation from non-metals to metals down in the group. The first element of the group 5A is nitrogen with 5 valence electrons.
The group 5A is a combination of non-metal, metalloid and metals. The first element of the group 5A is nitrogen with 5 valence electrons. Here nitrogen and phosphors are non-metals, arsenic and antimony are non-metals and bismuth are the only metallic element of group 5A.
(b)
Interpretation:
The chemical formula of hydrazine and the oxidation state of the group 5A element in hydrazine needs to be determined.
Concept introduction:
The group 5A elements show variation from non-metals to metals down in the group. The first element of the group 5A is nitrogen with 5 valence electrons.
The group 5A is a combination of non-metal, metalloid and metals. The first element of the group 5A is nitrogen with 5 valence electrons. Here nitrogen and phosphors are non-metals, arsenic and antimony are non-metals and bismuth arethe only metallic element of group 5A.
(c)
Interpretation:
The chemical formula of calcium phosphideand the oxidation state of the group 5A element in calcium phosphide needs to be determined.
Concept introduction:
The group 5A elements show variation from non-metals to metals down in the group. The first element of the group 5A is nitrogen with 5 valence electrons.
The group 5A is a combination of non-metal, metalloid and metals. The first element of the group 5A is nitrogen with 5 valence electrons. Here nitrogen and phosphors are non-metals, arsenic and antimony are non-metals and bismuth are the only metallic element of group 5A.
(d)
Interpretation:
The chemical formula of phosphorus acidand the oxidation state of the group 5A element in phosphorus acid needs to be determined.
Concept introduction:
The group 5A elements show variation from non-metals to metals down in the group. The first element of the group 5A is nitrogen with 5 valence electrons.
The group 5A is a combination of non-metal, metalloid and metals. The first element of the group 5A is nitrogen with 5 valence electrons. Here nitrogen and phosphors are non-metals, arsenic and antimony are non-metals and bismuth is the only metallic element of group 5A.
(e)
Interpretation:
The chemical formula of Arsenic acid and the oxidation state of the group 5A element in Arsenic acid needs to be determined.
Concept introduction:
The group 5A elements show variation from non-metals to metals down in the group. The first element of the group 5A is nitrogen with 5 valence electrons.
The group 5A is a combination of non-metal, metalloid and metals. The first element of the group 5A is nitrogen with 5 valence electrons. Here nitrogen and phosphors are non-metals, arsenic and antimony are non-metals and bismuth is the only metallic element of group 5A.
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CHEMISTRY-TEXT
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- Treatment of cobalt(II) oxide with oxygen at high temperatures gives Co3O4. Write a balanced chemical equation for this reaction. What is the oxidation state of cobaltin Co3O4?arrow_forwardThe only alkali metal that reacts with oxygen to give a compound with the expected stoichiometry is lithium,which gives Li2O.In contrast,soduim reacts with oxygen to give Na2O2,and the heavier alkali metals form superoxides.Explain the difference in stoichiometries of these productsarrow_forwardWrite the chemical formula for each of the following compounds, and indicate the oxidation state of the halogen or noble-gas atom in each hydroiodic acidarrow_forward
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