The thermal decomposition of nitryl chloride is proposed to occur by the followi
ID: 590203 • Letter: T
Question
The thermal decomposition of nitryl chloride is proposed to occur by the following mechanism: step 1 slow: No.cl- NO2 + Cl tep 2 fast Cl+No.CI>NO2+ Ch (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank: (3) Which species acts as a reaction intermediate? Enter formula. If none, leave box blan!: (4) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A][B]., where '1' is understood (so don't write it) for m, n etc.)Explanation / Answer
Q1
overall reaction --> add all
NO2Cl = NO2 + Cl
Cl + NO2Cl = NO2 + Cl2
addition
NO2Cl + Cl + NO2Cl = NO2 + Cl2 + NO2 + Cl
cancel common terms
NO2Cl + NO2Cl = 2NO2 + Cl2
Q2
catalyst --> will be formed again, from the species show, there are none
Q3
intermediate --> will be produced and consumed
NO2Cl + Cl + NO2Cl = NO2 + Cl2 + NO2 + Cl
this is Cl, then choose Cl
Q4
the rate is given for the slowest rate
Rate = k*[NO2Cl]
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