(a)
Interpretation:
The shape of silane (SiH4) should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
(b)
Interpretation:
The shape of hydrogen selenide (H2Se) should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
(c)
Interpretation:
The shape of phosphine should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
Interpretation:
The shape of silicon tetrafluoride (SiF4) should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
(e)
Interpretation:
The shape of oxygen diflouride (OF2) should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
(f)
Interpretation:
The shape of formaldehyde (H2CO) should be identified on the basis of VSEPR theory.
Concept introduction:
According to VSEPR theory, the shape of molecule depends upon the number of bonded pair of electron and lone pair of electron on central atom
- If there are two bonded groups the shape will be linear (AX)
- If there are three bonded groups the shape will be trigonal planar, with zero lone pair of electrons (AX2). If there is one lone pair of electrons the shape will be V (AXE).
- If there are four bonded groups the shape will be tetrahedral, with no lone pair of electrons (AX4). If there is one lone pair of electrons the shape will be trigonal pyramidal (AX3E). And if two lone pair of electrons the shape will be bent (AX2E2).
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