The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes.
The repulsive interactions of electron pairs decrease in the order:
Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair
These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules.
Among the following molecules.
(P) `XeO_(3)" (Q)"XeOF_(4)`
(R) `XeO_(2)F_(2)" (S)"XeF_(5)`
Those having different molecular geometry but same number of lone pairs on Xe are :
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes.
The repulsive interactions of electron pairs decrease in the order:
Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair
These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules.
Among the following molecules.
(P) `XeO_(3)" (Q)"XeOF_(4)`
(R) `XeO_(2)F_(2)" (S)"XeF_(5)`
Those having different molecular geometry but same number of lone pairs on Xe are :
The repulsive interactions of electron pairs decrease in the order:
Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair
These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules.
Among the following molecules.
(P) `XeO_(3)" (Q)"XeOF_(4)`
(R) `XeO_(2)F_(2)" (S)"XeF_(5)`
Those having different molecular geometry but same number of lone pairs on Xe are :
A
P, Q and R only
B
P, Q and S only
C
Q. R and S only
D
P, Q, R and S
Text Solution
Verified by Experts
The correct Answer is:
D
In each case Xe has 1 l.p.
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Valence Shell Electron Pair Repulsion Theory (VSEPRT)
The Valence Shell Electron Pair Repulsion (VSEPR) Theory|Summary
Knowledge Check
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Which of the following statements is incorrect?
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Which of the following statements is incorrect?
A
In `ClF_(3)`, the axial `Cl-F` bond length is longer than equatorial `Cl-F` bond length
B
In `SF_(4),F-S-F` equatorial bond angle is not `120^(@)` but `104^(@)` due to lp-bp repulsions.
C
In `[ICl_(4)]^(-)Cl-I-Cl` bond angle is `90^(@)`
D
In `OBr_(2),` the bond angle is less than that in `OCl_(2)`.
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Molecular shape of XeF_(3)^(+),SF_(3)^(+) and CF_(3)^(+) are :
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Molecular shape of XeF_(3)^(+),SF_(3)^(+) and CF_(3)^(+) are :
A
The same with 2, 1 and 0 lone pair of electrons respectively
B
Different with 2, 1 and 0 lone pair of electrons respectively
C
Different with 0, 1 and 2 lone pair of electrons respectively
D
The same with 2,0 and 1 lone pair of leectrons respectively
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Which of the following statement is correct with respect ot bond angles?
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Which of the following statement is correct with respect ot bond angles?
A
The `F-S-F` angle in `SF_(2)` is more than `109^(@)28'`
B
The `H-N-N` angle in `N_(2)H_(2)` is approximately `180^(@)`
C
The `F-Kr-F` angle in `KrF_(4)` is `90^(@)`
D
The `Cl-N-O` angle in NOCl is more than `120^(@)`
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The Valence Shell Electron Pair Repulsion (VSEPR) Theory|Summary
The approximate shape of a molecule can often be predicted by using what is called the valence-shell electron-pair repulsion (VSEPR) model. Electrons in bonds and in lone pairs can be thought of a ''charge cloud'' that repel one another nad stay as far apart as possible, thus causing molecules to assume specific shapes. The repulsive interactions of electron pairs decrease in the order: Lone pair - Lone pair gt Lone pair - Bond pair gt Bond pair - Bond pair These repulsive effects result in deviations from idealised shapes and alteration in bond angles in molecules. Which among the following molecules have sp^(3)d hybridization with one lone pair of electron on the central atom? (P) SF_(4) (Q) [PCl_(4)]^(+) (R) XeO_(2)F_(2) (S) ClOF_(3)
Valence shell electron pair repusin theory (VSEPR) can be used to perdict the approximate shape of molecules. Electrons in bonds and in lone pairs can ve thought of as "charge cloud" that repel one another and stay as far apart possible, thus causing molecules to assume specific shapes. The repulsive interacions of electro paris decrease in the order : Lone pair-lone pair gt Lone pair -bond pair gt Bond pair -bond pair. These repulsions effect result in deviations from idealized shapes and ateration in bond angles in molecules Which of the following is linear ?
Valence shell electron pair repusin theory (VSEPR) can be used to perdict the approximate shape of molecules. Electrons in bonds and in lone pairs can ve thought of as "charge cloud" that repel one another and stay as far apart possible, thus causing molecules to assume specific shapes. The repulsive interacions of electro paris decrease in the order : Lone pair-lone pair gt Lone pair -bond pair gt Bond pair -bond pair. These replusions effect result in deviations from idealized shapes and alternative in bond aegles in molecules. The species which has pyramidal shape is :
The decreasing order of the repulsive interaction of electron pair is (here,lp=lone pair,bp=bond pair)