53. In the derivation of \"ransition state theory.\" the S8. Which soquence of s

Question

53. In the derivation of "ransition state theory." the S8. Which soquence of state-to-state transitions for a diatomic assumption is made that the reactants are (A) unstable relative to the products (B) in equilibrium with the products (C) in equilibrium with an activated complex (D) hard sphere molecules. For the reaction H + H-H-+ H-H + H Which point represents system is required for one to observe fluorescence wth a wavelength longer than that for the excitation photon? Singlet 54. the transition state? (A) (B) 2(C) 3 (D) 55. If an atom has a doubly degenerate excited state that is de cm-1 above the non-degenerate ground state, the electronic partition function at any temperature (T) for this 56. The rate expression for the decomposition of a substrate (S) in the presence of an enzyme (E) is The mechanism of an enzyme catalyzed reaction of a substrate (S) to yield prodacts (P) can be written 59· As IS] bocomes very large compared to Km the apparent order for the substrase (S) is where ES and EP represent the enzyme-substrate and enzyme -product complexes, respectively. For this mechanism, the potential energy diagram (potential cnergy or enthalpy versus reaction coordinate) would be expected to have how many maxima? (A) zero() one (C) two (D) two-thirds 7. For the with this energy level diagram to operate as hv lase) (A) (B) two (C) thr (D) four 60. For the concerted reaction LASER the rate constants must have these relationships: Enforward) is 46 Unol-1 and »--27 kJ.mori. Therefore, E, (in units of kJ-mol-) for the reverse (A) kk) and k3) must be very smal. (B) k)>k) and k3) must be large (A) 19 (B)7 (C) 46 () 73 (C) k>kcz) and ka) must be small. (D) k(1) > k(2) and k(3) must be large.

Explanation / Answer

Ans 53

Option C is the correct answer

transition state theory is used to explain the rates of reactions those are elementary reactions

In this theory assumption is made that the reactants are in equilibrium with the activated transition state complex. It is also known as quasi equilibrium

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