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(a)
Interpretation: Formula of binary compound carbon dioxide is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(a)
Answer to Problem 27A
The formula of the compound is CO2.
Explanation of Solution
Carbon is more electropositive than oxygen. So it is written first in the formula. Also, one atom of carbon combines with two oxygen atoms as a result of which formula becomes CO2.
(b)
Interpretation: Formula of binary compound sulfur dioxide is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(b)
Answer to Problem 27A
The formula of the compound is SO2.
Explanation of Solution
Sulfur is more electropositive than oxygen. So it is written first in the formula. Also, one atom of sulfur combines with two oxygen atoms as a result of which formula becomes SO2.
(c)
Interpretation: Formula of binary compound dinitrogen tetrachloride is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(c)
Answer to Problem 27A
The formula of the compound is N2Cl4.
Explanation of Solution
Nitrogen is more electropositive than oxygen. So it is written first in the formula. Also, two atoms of nitrogen combine with four chlorine atoms as a result of which formula becomes N2Cl4.
(d)
Interpretation: Formula of binary compound carbon tetraiodide is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(d)
Answer to Problem 27A
The formula of the compound is CI4.
Explanation of Solution
Carbon is more electropositive than oxygen. So it is written first in the formula. Also, one atom of carbon combines with four iodine atoms as a result of which formula becomes CI4.
(e)
Interpretation: Formula of binary compound phosphorus pentafluoride is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(e)
Answer to Problem 27A
The formula of the compound is PF5.
Explanation of Solution
Phosphorus is more electropositive than fluorine. So it is written first in the formula. Also, one atom of phosphorus combines with five fluorine atoms as a result of which formula becomes PF5.
(f)
Interpretation: Formula of binary compound diphosphorus pentaoxide is to be given.
Concept Introduction: The element which is relatively more electropositive of the two elements is written first followed by the element with a negative oxidation state. Prefixes such as di, tri, tetra, penta, etc. are used in cases where nonmetals form more than one binary compound.
(f)
Answer to Problem 27A
The formula of the compound is P2O5.
Explanation of Solution
Phosphorus is more electropositive than oxygen. So it is written first in the formula. Also, two atoms of phosphorus combine with five oxygen atoms as a result of which formula becomes P2O5.
Chapter 4 Solutions
World of Chemistry, 3rd edition
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