Home
Class 12
CHEMISTRY
Decomposition of ozone follows the given...

Decomposition of ozone follows the given mechanism . From the mechanism select the option which is not correct.
Step (i) : `O_(3) underset(K_(2))overset(K_(1))hArr O_(2)(g) +O(g)" "` [Fast]
Step (ii): `O_(3)(g) +O(g) overset(K_(3))rarr 2O_(2)(g)" "` [Slow]

A

Overall rate will be dependent on rate of (ii) step

B

order of the reaction is equal to 2.

C

Molecularity of step (ii) will be 2.

D

Rate of formation of ozone will decrease with increase in concentration of oxygen gas.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise compllcatio in first order reactions|17 Videos
  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise Nuclear Chemistry|63 Videos
  • CHEMICAL KINETICS

    GRB PUBLICATION|Exercise F. Effect of Temperature and Catalyst|92 Videos
  • CHEMICAL BONDING-I

    GRB PUBLICATION|Exercise Subjective Type|120 Videos
  • COORDINATION COMPOUNDS

    GRB PUBLICATION|Exercise SBJECTIVE TYPE|98 Videos

Similar Questions

Explore conceptually related problems

The mechanism of the reaction 2NO + O_(2) rarr 2NO_(2) is NO + NO underset(k_(-1))overset(k_(1))hArr N_(2)O_(2) ("fast") N_(2)O_(2) + O_(2) overset(k_(2))rarr 2NO_(2) (slow) The rate constant of the reaction is

Ozone deplection takes place as : 2O_(3)(g)rarr3O_(2)(g) Step1: O_(3)(g)overset(k)hArrO_(2)(g)+O(g)" " (fast) Step2 : O_(3)(g)+[O]overset(k)rarr2O_(2)(g)" " (slow) order of the raction will be :

It is observed that when ozone undergoes decomposition to form O_(2) (g) a two step mechanism is observed. (a) O_(3)(g)underset(k_(2))overset(k_(1))(hArr) O_(2)(g)+O(g) (b) O_(3)(g)+O(g) overset(k_(3))rightarrow2O_(2) Also it is known that k_(1) gt gt k_(3) and k_(2) gt gt k_(3) What will be the overall order of the reaction?

It is observed that when ozone undergoes decomposition to form O_(2) (g) a two step mechanism is observed. (a) O_(3)(g)underset(k_(2))overset(k_(1))(hArr) O_(2)(g)+O(g) (b) O_(3)(g)+O(g) overset(k_(3))rightarrow2O_(2) Also it is known that k_(1) gt gt k_(3) and k_(2) gt gt k_(3) If initially mixture of oxygen and ozone is taken such that Ozone is in very large amount, then, identify the correct statement.

It is observed that when ozone undergoes decomposition to form O_(2) (g) a two step mechanism is observed. (a) O_(3)(g)underset(k_(2))overset(k_(1))(hArr) O_(2)(g)+O(g) (b) O_(3)(g)+O(g) overset(k_(3))rightarrow2O_(2) Also it is known that k_(1) gt gt k_(3) and k_(2) gt gt k_(3) If DeltaH of first reaction is 20 kj and E_(a) of second step is 50 kJ then net activation energy will be:

For the reaction , N_2O_4(g)underset(K_2)overset(K_1)hArr2NO_2(g) , the rate of disappearance of NO_2 will be

The rate law for the decompoistion of gaseous N_(2)O_(5) , N_(2)O_(5)(g) rarr 2NO_(2)(g) + (1)/(2)O_(2)(g) is observed to be: r = (-d[N_(2)O_(5)])/(dt) = k[N_(2)O_(5)] A reaction machanism which has been suggested to be conisstent with this rate law is N_(2)O_(5)(g) overset(k_(eq))hArr NO_(2)(g)+NO_(3)(g) ("fast equilibrium") NO_(2) (g) + NO_(3)(g) overset(k_(1))rarr NO_(2)(g) + NO(g) + O_(2)(g) (slow) NO(g) + NO_(3)(g) overset(k_(2))rarr 2NO_(2)(g) (fast)

The depletion of ozone involves the following steps : Step 1 : O_3underset(K_1)overset(K_2)hArrO_2+O (fast) Step 2 : O_3+Ounderset(K)rarr2O_2 (slow) The predicted order of the reaction will be

The gaseous decomposition of ozome 2O_(3)rarr3O_(2) obeys the rate law r=-(d[O_(3)])/(dt)=(k[O_(3)]^(2))/([O_(2)]) Show that the following mechanims is consistent with the above rate law : O_(3)overset(K_(eq))hArrO_(2)+O" " ("fast") O+O_(3)overset(k_(1))rarr2O_(2)" " ("slow")

A possible mechanism for the conversion for ozone to oxygen in the upper atmosphere is O_(3)(g) hArr O_(2)(g) +O(g) " " (fast equilibrium) O(g) +O_(3)(g) rarr 2O_(2)(g)" " (slow) Which rate law is consistent with this mechanism?

GRB PUBLICATION-CHEMICAL KINETICS-Mechanism of Reactions
  1. The following mechanism has been propsoed for the reaction of NO with ...

    Text Solution

    |

  2. The reaction f NO(2)(g) and O(3)(g) is first-order in NO(2) and O(3)(g...

    Text Solution

    |

  3. Decomposition of ozone follows the given mechanism . From the mechanis...

    Text Solution

    |

  4. The rate of reaction of A+B rarr C is found to be same when the react...

    Text Solution

    |

  5. For a photochemical dimerisation of a substance a, the following rate ...

    Text Solution

    |

  6. For a two step reaction, A hArr R+B " "R+C overset(k(2)) rarr P ...

    Text Solution

    |

  7. Read the following industrial methods for the preparartion of H(2)SO(4...

    Text Solution

    |

  8. The mechanism of the reaction A+2B rarr C+D is: Step I: A+B underset...

    Text Solution

    |

  9. Decomposition of A to give B follows a two step mechansim as shown. Fr...

    Text Solution

    |

  10. For the following reaction: (CH(3))(3)"CCl"+H(2)O rarr (CH(3))(3)COH...

    Text Solution

    |

  11. The mechanism of reaction :A(g) overset(pt(s))rarrB(g) is : Step-I: ...

    Text Solution

    |

  12. A reaction involving two different reactants can never be:

    Text Solution

    |

  13. The reaction, 2NO+2H(2)rarr N(2)+2H(2)O has been assigned to follow th...

    Text Solution

    |

  14. For the reaction 2A(3)hArr 3B(2) Mechanism A(3)hArr B(2) +I^("*"),...

    Text Solution

    |

  15. What is the rate law for the hypothetical reaction with the mechanism ...

    Text Solution

    |

  16. For the reaction, 2H(2)(g)+2NO(g) rarr N(20(g) +2H(2)O(g) Rate =k[...

    Text Solution

    |

  17. A possible mechanism for the conversion for ozone to oxygen in the upp...

    Text Solution

    |

  18. The oxidation of SO(2) to H(2)SO(4) in acid rain is thought to occur b...

    Text Solution

    |

  19. Ozone in the earth's atmosphere decomposes according to the equation: ...

    Text Solution

    |

  20. The reaction C(3)H(7)I+Cl^(-) rarr C(3)H(7)O +I^(-) is thought to occ...

    Text Solution

    |