2HgCh2+ C2042- 2C1-+2c02 Hg22 (overall reaction) ] not the rate law for the foll

Question

2HgCh2+ C2042- 2C1-+2c02 Hg22 (overall reaction) ] not the rate law for the following mechanism? HgCl2+ C2042- HgC2C2042- Hg HgCl2 -Hg2Cl2 2C204C12- C2042-+2CI-+2CO2 A) The rate law calculated from the slow step is not the rate law: rate HH B) The steps do not add to the overall reaction. C) The exponents of HgCh and C2042- are not equal. D) The rate law does not agree with the overall reaction E) The first step is not the slow step. gChPIC2042-1 5) Choose the INCORRECT statement. A) The rate-determining step is the slow-step. B) A reaction intermediates have fully formed bonds. C) An activated complex has partially formed bonds. D) A reaction intermediate is produced and used up during the reaction. E) A transition state and a reaction intermediate are the same. 6) For the reaction: 2N205(g)-4NO2(g)+ 02(8) at the time when N20s is being consumed at a rate of -1.2 x 10-4 M/s, what is the rate at which O2 is being formed? A) 6.0 x 10-5 M/s B) 2.4 x 10-4 M/s C) 4.8 x 10-4 M/s D) 3.0 x 10-5 M/s E) 1.2×10-4 M/s 7) If a catalyst is added to a reaction: I) the value of k is increased II) the value of k is decreased II) the rate is increased IV) the rate is decreased V) neither rate nor the constant are changed, only the order D) I and III E) V only B) 11 and C)11 and 111 A)land IV 8) For the reaction: CpH4Br2+3 KI H+2 KBr+ Kl3. When the rate of reaction is 2.0- 10-5, what is the rate of disappearance of KI? A) -6.0 x 10-5 B)-0.67 10-5 C) -4.0 10-5 D)-2.0 x 10-5 E) -1.0 10-5

Explanation / Answer

Q4.

a)

this is correct, since it is in equilbirium, therefore, we must account for the equilbirium of HgCl2 an dC2O4-2

b)

false, they do

c)

False, this is arbitrary, has nothing to dowith the acutal rat elaw

d)

This is true, but not because of this

e)

False, slow step can be any species

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