(a)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(a)
Answer to Problem 25A
Formula of compound is Li2O.
Explanation of Solution
Formula of compound is Li2O as charge on Lithium ion is +1 and that on oxide ion is -2.
(b)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(b)
Answer to Problem 25A
Formula of compound is AlI3.
Explanation of Solution
Formula of compound is AlI3 as charge on Aluminium ion is +3 and that on iodide ion is -1.
(c)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(c)
Answer to Problem 25A
Formula of compound is Ag2O.
Explanation of Solution
Formula of compound is Ag2O as charge on Silver ion is +1 and that on oxide ion is -2.
(d)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(d)
Answer to Problem 25A
Formula of compound is K3N.
Explanation of Solution
Formula of compound is K3N as charge on Potassium ion is +1 and that on nitride ion is -3.
(e)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(e)
Answer to Problem 25A
Formula of compound is Ca3P2.
Explanation of Solution
Formula of compound is Ca3P2 as charge on Calcium ion is +2 and that on phosphide ion is -3.
(f)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(f)
Answer to Problem 25A
Formula of compound is MgF2.
Explanation of Solution
Formula of compound is MgF2 as charge on Magnesium ion is +2 and that on fluoride ion is -1.
(g)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(g)
Answer to Problem 25A
Formula of compound is Na2S.
Explanation of Solution
Formula of compound is Na2S as charge on Sodium ion is +1 and that on sulfide ion is -1.
(h)
Interpretation: The formula of the binary ionic compound is to be given.
Concept Introduction: While writing the formula of an ionic compound, cation is written first followed by anion. Also the charge on the ions is taken into account. The charge on cation becomes subscript of anion and vice-versa.
(h)
Answer to Problem 25A
Formula of compound is BaH2.
Explanation of Solution
Formula of compound is BaH2 as charge on Barium ion is +2 and that on hydride ion is -1.
Chapter 4 Solutions
World of Chemistry
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