Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent? (a) KCl ionic nonpola…
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Question “Are the bonds in each of the following substances ionic, nonpolar covalent, or polar covalent? (a) KCl ionic nonpola…”
covalent, or polar covalent?
(a) KCl
ionic
nonpolar covalent
polar covalent
(b) P4
ionic
nonpolar covalent
polar covalent
(c) BF3
ionic
nonpolar covalent
polar covalent
(d) SO2
ionic
nonpolar covalent
polar covalent
(e) Br2
ionic
nonpolar covalent
polar covalent
(f) NO2
ionic
nonpolar covalent
polar covalent
Arrange the substances with polar covalent bonds in order of
increasing bond polarity. (Use the appropriate <, =, or >
symbol to separate substances in the list.)
Answer
This problem arises from the formation of covalent and ionic bonds in compounds. The transfer of electrons between atoms creates ionic bonds. Covalent bonds can be formed when electrons are shared between two or more atoms with similar electronegativities.
If the electron pair shared between the atoms is equal, a nonpolar covalent bonds is formed. However, if the electron pair attracts more towards one atom, a polar covalent link is formed.
Ionic bonds can be formed between a nonmetal and a metal. A covalent bond is between two nonmetals. A covalent bond between two atoms of the same element is considered nonpolar because they are identical. A polar covalent bonds is formed when a covalent link is made between nonmetals with different electronegativity.
(a)
is composed of elements potassium, and chlorine
Ionic bond is formed between nonmetal and metal atoms.
is therefore an ionic bond.
(b)
consists of four atoms phosphorus
Phosphorus can be described as a nonmetal.
A nonpolar covalent bond is formed when two atoms of the same nonmetal form a bond.
(c)
is made up of one atom boron and three atoms fluorine.
Since boron as well as fluorine are not metals, they form a covalent connection.
High electronegativity differences exist between the two atoms
.
forms a polar covalent bond.
(d)
consists of one atom sulphur and two of oxygen.
Since sulphur as well as oxygen are not metals, they form a covalent connection.
High electronegativity differences exist between the two atoms and
.
The polar covalent bond between
is thus formed.
(e)
consists of two atoms nonmetal bromine. It has a covalent bond.
Both atoms are made from the same element. They form a non-polar covalent link.
(f)
consists of one atom nitrogen and two oxygen atoms.
Because nitrogen and oxygen are both non-metals, they form a covalent connection.
High electronegativity differences exist between the two atoms HTMLMediaTag20 and .
is a polar covalent bond
Ans: Part A
contains an ionic bond.
Conclusion
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