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Chapter 10 Chemical Bonding II Molecular Geometry and crossing of Atomic Orbitals
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2.The shape of the SF4 pinpoint is

A.tetrahedral.
B. symmetric pyramidal.
C.rhombohedral planar.
D.square planar.
E.distorted tetrahedron (seesaw).


4. fit in to VSEPR theory, the shape of the PH3 molecule is better described as

A.linear.
B. trigonal planar.
C.tetrahedral.
D.bent.
E.trigonal pyramidal.

6.The shape of the ClF3 molecule is best described as

A.distorted tetrahedron.
B.trigonal planar.
C.tetrahedral.
D.T-shaped.
E.trigonal pyramidal.


8.According to the VSEPR theory, the molecular shape of beryllium chloride is

A.linear.
B.trigonal planar.
C.bent.
D.tetrahedral.
E.trigonal pyramidal.

10.According to the VSEPR theory, the molecular shape of boron trichloride is

A.linear.
B.trigonal planar.
C.bent.
D.tetrahedral.
E.trigonal pyramidal.


12.According to the VSEPR theory, which cardinal of the hobby species should be linear?

A.H2S
B.HCN
C.BF3
D.H2CO
E.SO2


14.According to VSEPR theory, which one of the following molecules should be nonlinear?

A.CO2
B.C2H2
C.SO2
D.BeCl2
E.KrF2


16.Which one of the following molecules has tetrahedral geometry?





A.XeF4
B.BF3
C.AsF5
D.CF4
E.NH3


18.Predict the geometry around the of import atom in PO43-.


A.trigonal planar
B.trigonal pyramidal
C.tetrahedral
D.trigonal bipyramidal
E.octahedral

20.Predict the geometry around the central atom in XeO4.


A.trigonal planar
B.trigonal pyramidal
C.tetrahedral
D.trigonal bipyramidal
E.octahedral


22.Which of the following substance is/are planar?

(i) SO3 (ii) SO32- (iii) NO3- (iv) PF3 (v) BF3

A.only (i) and (ii)
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