Transcribed Image Text:Q11: What is the basic assumption in a steady state approximation?
a) Products are being formed slower than reactants are regenerated
b) The first step in a mechanism always determines the rate of the reaction
c) Pre-equilibrium take place before the rate determining step
d) Products are being formed faster than reactants are regenerated
e) The concentrations of all intermediates are constant with time
Q12: Species that are formed in one step of reaction mechanism and used up in another step are
called
a) Transition states
d) Catalysts
Q13: What type of mechanism the following steps represent?
H+ Br2 → HBr + Br
H+ HBr →→ H₂ + Br
a) Simultaneous
d) Opposing
b) Intermediates.
e) Rate determining step
a) Co(NH3)sBr2+ + Hg2+
b) S₂O3²- + I
c) Fe²+ + Co(C₂O4)3³-
d) Co(NH3)5Br2+ + OH¯
e) None of the above
b) Parallel
e) Competition
c) Inhibitors
Q14: For which of the following reactants increasing the ionic strength of the solution will
increase the rate constant?
c) Consecutive
Q15: Which of the following plots represents only base catalyzed reaction?
a) Plot A
b) Plot B
c) Plot C
d) Plot B and C
e) Plot A and C
Log k
B
pH
Branch of chemistry that studies how atoms, molecules, and materials interact with each other. Physical chemistry focuses on the behavior of matter, such as solids, liquids, and gases, as they interact with other matter. The study of physical chemistry is crucial to thermodynamics, quantum mechanics, and photochemistry.
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