(a)
Interpretation:
The formula of given polyatomic ion nitrate is to be written.
Concept introduction:
Oxyanion is a class of polyatomic ions. Polyatomic ion involves more than one atom which carries a net charge and exists as a single unit. Oxyanion is an anion of oxygen and another non-metal. For example: sulphate ion
(a)
Answer to Problem 18A
Explanation of Solution
Nitrate ion is the standard oxyanion of nitrogen. It is a polyatomic ion in which one atom of nitrogen is bonded with three oxygen atom with one unit negative charge. Its formula is
(b)
Interpretation:
The formula of given polyatomic ion nitrite is to be written.
Concept introduction:
Oxyanion is a class of polyatomic ions. Polyatomic ion involves more than one atom which carries a net charge and exists as a single unit. Oxyanion is an anion of oxygen and another non-metal. For example: sulphate ion
(b)
Answer to Problem 18A
Explanation of Solution
Nitrate ion is the standard oxyanion of nitrogen. Its formula is
(c)
Interpretation:
The formula of given polyatomic ion ammonium is to be written.
Concept introduction:
Polyatomic ion involves more than one atom which carries a net charge and exists as a single unit. For example: sulphate ion
(c)
Answer to Problem 18A
Explanation of Solution
Ammonium ion is a polyatomic ion of nitrogen and hydrogen. It is formed when ammonia shares its lone pair with hydrogen. So, the formula of ammonium ion is
(c)
Interpretation:
The formula of given polyatomic ion cyanide is to be written.
Concept introduction:
Polyatomic ion involves more than one atom which carries a net charge and exists as a single unit. For example: sulphate ion
(c)
Answer to Problem 18A
Explanation of Solution
Cyanide ion is composed of carbon and nitrogen with one unit negative charge. So, the formula of cyanide is
Chapter 4 Solutions
World of Chemistry, 3rd edition
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