The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine.
Cl2 ⇌ 2Cl (fast, reversible)
Cl + CHCl3 → HCl + CCl3 (slow)
Cl + CCl3 → CCl4 (fast)
What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e.g. ABC ).
| A)k | G) [Cl2]1/2 | M) [CHCl3]2 |
| B) [CCl3] | H) [Cl]1/2 | N) [CCl3]2 |
| C) [HCl] | I) [CHCl3]1/2 | O) [HCl]2 |
| D) [Cl2] | J) [CCl3]1/2 | P) [Cl2]2 |
| E) [Cl] | K) [HCl]1/2 | |
| F) [CHCl3] | L) [Cl]2 |
The answer is NOT: AEF or AHE or ACH or ADG or AGF or ADF or AHF or AJF or ALF or AFH or EF or DF
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2...
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e.g. ABC ). A)k G) [CHCl3]1/2 M) [CCl3]2 B) [Cl2] H) [CCl3]1/2 N) [HCl]2 C) [Cl] I) [HCl]1/2 O) [Cl2]2 D) [CHCl3] J) [Cl2]1/2 P) [Cl]2 E)...
Consider the following three step mechanism for a reaction Cl2 > 2Cl Fast Cl+CHCl3 > HCl+CCl3 Slow Cl+CCl3 > CCl4 Fast What is the predicted rate law? How do you do it? The answer is rate=K[Cl2]^.5 [CHCl3]
A possible mechanism for the reaction of chlorine gas and chloroform to produce carbon tetrachloride and hydrogen chloride is given below. Cl2(g) ⇄ 2 Cl(g) Cl(g) + CHCl3(g) → HCl(g) + CCl3(g) Cl(g) + CCl3(g) → CCl4(g) What is/are the intermediate(s) in this mechanism? Cl only both Cl and CCl3 CCl3 only HCl only
1. The rate of formation of carbon tetrachloride from chloroform, CHCl3(g) + Cl2(g) => CCl4(g) + HCl(g) is first order in CHCl3 and half order in Cl2. Which step of the proposed mechanism must be slow in order to agree with this rate law? 1. Cl2(g) => 2 Cl(g) 2. Cl(g) + CHCl3(g) => HCl(g) + CCl3(g) 3. CCl3(g) + Cl(g) => CCl4(g) 1. 1 2. 2 3. 3 2. The proposed mechanism for a reaction is Cl2 =>...
For the reaction mechanism shown, identify the intermediates(s) Cl2(gas)<------>2Cl(gas) CHCl3(gas)+ Cl(gas)<------>HCL(gas)+CCl3(gas) CCl3(gas)+Cl(gas)<------>CCl4(gas)
The proposed mechanism for a reaction is Cl2 => Cl+ + Cl- Slow Cl- + H2S => HCl + HS- Fast Cl+ + HS- => HCl + S Fast Which of the following would be a rate law for the reaction? A. rate = k[Cl2] B. rate = k[Cl2][H2S] C. rate = k[Cl2]1/2[H2S] D. rate = k[Cl-][H2S] E. rate = [Cl+][Cl-]
1. The following mechanism has been proposed for the pas-phase reaction of chloroform and chlorine Ch> 20 (fast) CI + CHCI, - HCI +CCI, (slow) Cl + CCI - CCI (fast) a) Identify any intermediate(s): b) Identify any catalyst(s): b) Write the balanced equation for the overall reaction: c) Molecularity of each step: step 1. step 2. step 3 d) rds (circle): 1 2 3 d) What is the observable rate law predicted by this mechanism? e) What is the...
QUESTION 3 The following elementary steps are proposed for a reaction mechanism: 1. Cl2 (9) — 2C1 (9) 2. CI (g) + CHCl3 (9) — HCI (g) + CC13 (g) 3. CI (9) + CC13 (9) - CC14 (9) Which one of the following is an intermediate of the reaction: O HCI О ссіз O CCl4 O Cl2 O Co2
The mechanism for the gas-phase reaction 2NO + Cl2 → 2NOCl is suggested to be: (1) NO + NO → N2O4 (slow) (2) N2O4 + Cl2 → 2NOCl (fast) Based on this mechanism, the rate law for the overall reaction is: Select one: a. Rate = k [NO] b. Rate = k [NO]2 c. Rate = k [NO2]2[Cl2] d. Rate = k [Cl2]
A student proposed the following mechanism for the gas phase reaction of fluorine with chlorine dioxide. step 1 fast: 2C10, C1,04 step 2 slow: Cl,04 + F2 — 2 FCIO2 (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) Enter the formula of any species that acts as a reaction intermediate? If none leave box blank: (3) Complete the rate law for the overall...