Question

Find the number of molecules which are planar as well as non-polar H2O, F2O, PH3, SiH4, BCl3, XeF2, BrF3, ICl4⊖.

Answer 1

Answer:

Correct option is

A

1

The number of molecules(s) which is/are planar and having dipole moment is 1.

SF

4

has irregular tetrahedral geometry. it is non-planar and has dipole moment.

PCl

3

F

2

has trigonal bipyramidal geometry. it is non-planar and has zero dipole moment.

PCl

2

F

3

has trigonal bipyramidal geometry. it is non-planar and has dipole moment.

I

3

−

is linear and has zero dipole moment.

BrF

3

is T shaped molecule. It is planar and has a dipole moment.

ICl

2

−

is linear and has zero dipole moment.

XeF

4

has square planar geometry and has zero dipole moment.

Explanation:

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Answer 2

Answer:

• A compound is considered to be planar if every atom inside it is located on the same plane.
• Compounds that do not have all of their atoms in the same plane are known as non-planar compounds.
• H2O- A simpler molecule is water. O, an sp3 hybrid atom, is the core atom of water. It therefore has a tetrahedral form.
• F2O- OF2 has a total of 20 valence electrons. Polar in nature is oxygen difluoride. There are four nonbonding electrons and four bonding electrons in the oxygen difluoride (F2O) Lewis structure.
• PH3- Due to a single pair of electrons' electron-electron repulsion, which results in an overall "bent" structure, PH3 is a polar molecule.
• SiH4- Due to its symmetrical form and four identical Si-H bonds, which cancel each other's dipole moments to produce a net dipole moment of zero, the SiH4 is nonpolar in nature.
• BCl3- Due to its symmetrical structure—a triangular planar structure—boron trichloride, or BCl3, is a nonpolar substance.
• XeF2- The XeF2 will have a LINEAR shape [F-Xe-F] from the two Xe-F axial pairs, which is anticipated to be non-polar.
• BrF3- Due to two lone pairs on the bromine atom, which cause the molecule's form to be warped or bent, BrF3 (bromine trifluoride) is a polar molecule.
• ICl4- -Due to its identical I-Cl bonds and symmetrical shape, which cancels out the bond polarity, the ICl4- ion is a non-polar ion.

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