WorksheetsOC_Lec 03.2_A
Total questions: 14
Worksheet time: 14mins
Name
Class
Date
1.
Which bonds are nrolem amd om what sequence?
a)
Bond Cleavage
b)
Bond Formation
c)
Bond Catalyst
d)
Bond Rearrangement
2.
Which bonds are formed and in what sequence?
a)
Bond Cleavage
b)
Bond Formation
c)
Bond Catalyst
d)
Bond Rearrangement
3.
Provides information on bond cleavage and bond formation.
a)
Electron Pushing
b)
Reaction Energy Diagram
c)
Neutron Repulsion
d)
Mixture Energy Gradient
4.
Gives information on kinetics and thermodynamics
a)
Electron Pushing
b)
Reaction Energy Diagram
c)
Neutron Repulsion
d)
Mixture Energy Gradient
5.
True about full-headed arrow
a)
Full movement of two electrons
b)
In the same direction
c)
Movement of one electron from a bond
d)
Must have symmetry to represent the two electrons of a bond
6.
True about half-headed arrow
a)
Full movement of two electrons
b)
In the same direction
c)
Movement of one electron from a bond
d)
Must have symmetry to represent the two electrons of a bond
7.
Formal charge consists of
a)
valence electron (+Ve)
b)
Number of bonding pairs (-bp)
c)
Number of electrons in lone pairs (-lpe-)
d)
Nuclear mass (neutron + proton)
e)
Distance from nucleus (-dNC)
8.
True about molecules with resonance structures
a)
differ in placement of pi bonds and non-bonded electrons
b)
placement of atoms and sigma bonds stay the same
c)
differ in placement of sigma bonds and non-bonded electrons
d)
placement of atoms and pi bonds stay the same
9.
Representation of highly probable/"real" structure of a resonance structure
a)
Composite
b)
Hybrid
c)
Amalgation
d)
Mirror
10.
Composites or hybrids also represent
a)
most stable structure
b)
least stable structure
c)
none of these
11.
True about homolytic bond cleavage/homolysis
a)
symmetrical bond breaking
b)
uses half-headed arrows
c)
assymetrical bond breaking
d)
uses full headed arrows
12.
True about heterolytic bond cleavaeg/heterolysis
a)
symmetrical bond breaking
b)
uses half-headed arrows
c)
assymetrical bond breaking
d)
uses full headed arrows
13.
True about homolytic bond cleavage/homolysis
a)
each fragment gets one electro
b)
leads to free-radical formation
c)
one product fragment gets both electrons
d)
forms cations and ions
e)
electrons go to the more electronegative atom
14.
True about heterolytic bond cleavaeg/heterolysis
a)
each fragment gets one electro
b)
leads to free-radical formation
c)
one product fragment gets both electrons
d)
forms cations and ions
e)
electrons go to the more electronegative atom
100 %
