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Hybridisation
Quiz 1
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Q.1
Shape of BeCl2?
V shape
trigonal planar
linear
tetrahedral
Q.2
What is the hybrization in CHNHHrespectively?
all sp
all sp3
sp3, sp2, sp
all sp2
Q.3
Which is NOT correctly matched?
tetrahedral = sp3
trigonal planar = sp2
all of these are correctly matched
trigonal bipyramidal = sp3d2
Q.4
What is the bond angle in octahedral shape?
90, 120
120, 90
all 90
all 120
Q.5
What is the hybridization of both carbons in CH2=CH2
sp2
sp
sp3
sp3d
Q.6
Which bonds are longer in trigonal bi pyramidal geometry
all same
axial
equatorial
random
Q.7
What is the shape of BrF3
trigonal planar
T shape
trigonal pyramidal
tetrahedral
Q.8
What is the hybridization of both carbons in ethane
sp3
sp2
sp
none of the above
Q.9
What is the shape of ClF5
pentagonal
trigonal bipyramidal
square planar
square pyramidal
Q.10
What is the shape of SF4
see-saw
tetrahedral
square planar
trigonal planar
Q.11
What is the hybridization in XeOF4
sp3
sp3d
sp3d2
sp3
Q.12
Which is most likely to form a covalent bond?
an alkali metal bonded to a halogen
a halogen bonded to a hydrogen atom
two transition metal atoms bonded to each other
a transition metal bonded to oxygen
Q.13
In order to break chemical bonds, energy must be ____.
released
absorbed
energy is not involved
None of these
Q.14
In an MO diagram, if all electrons are paired, this means the molecule is ___.
diamagnetic
paramagnetic
polar
nonpolar
Q.15
In which molecule does the central atom have the same hybridization as the central atom in SF4?
CH4
XeF4
NH3
PH5
Q.16
In which case does the central atom violate the octet rule?
BH3
NH3
H2O
HCl
Q.17
A particular MO diagram shows a diatomic molecule to havebonding and 7 antibonding electrons. What is the bond order?
3
1
1.5
1.3
Q.18
Which statement about oxygen (Ois TRUE?
the molecule has 2 pi bonds
each O atom is sp hybridized
O2 is a colorless liquid at room temperatures and pressures
O2 is a paramagnetic molecule and is attracted to a magnet
Q.19
As compared to pure atomic orbitals, hybrid orbitals have
Low energy
Same energy
High energy
None of these
Q.20
In HCHO,′C′ has hybridization
sp
sp2
sp3
All of the above
0 h : 0 m : 1 s
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