Home
Class 12
CHEMISTRY
A unimolecular reaction is : 2HI rar...

A unimolecular reaction is : `2HI rarr text (H)_(2) +I_(2)` , `N_(2) O_(5)rarr N_(2) O_(4)+(1)/(2) O_(2)` , `H_(2)+Cl_(2) rarr2 HCl` , `PCl_(3)+Cl_(2) rarr dot(PCl_(5)`

A

`( 2HI ) rarr text ( H )_(2)+1_(2)`

B

`(N)_(2) (O)_(5)rarr (N)_(2) (O)_(4)+(1)(2) (O)_(2)`

C

`(H)_(2)+(Cl)_(2) rarr2 (HCl)`

D

`(PCl)_(3)+(Cl)_(2) rarr dot((PCl)_(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOMOLECULES

    V PUBLICATION|Exercise QUESTION BANK|99 Videos
  • CHEMISTRY IN EVERYDAY LIFE

    V PUBLICATION|Exercise QUESTION BANK|74 Videos

Similar Questions

Explore conceptually related problems

The reaction (H)^(+)+(O) (H)^(-) rarr (H)_(2) (O) is

[Cr(H_(2)O)_(6)]Cl_(3) & [Cr(H_(2)O)_(5)Cl]Cl_(2).H_(2)O are

State the order with respect to each reactant, order of overall reaction and units of rate constant in each of the following reactions. i) H_(2) O_(2)+3 I^(-)+2 H^(+) rarr 2 H_(2) O+I_(3)^(-)((aq)) Rate =k[H_(2) O_(2)][I^(-)] ii) CO+Cl_(2) rarr (COCl)_(2) .Rate =k[(CO)]^(2)[(Cl)_(2)]^(1 / alpha) iii) (CH)_(3) (CHO) rarr (CH)_(4)+(CO) Rate =(k)[(CH)_(3) (CHO)]^(3 / 2)

For which of the reactions, Delta S is not positive : I_2(s) rarr I_2(g) , CuO(s)+H_2(g) rarr Cu(s)+H_2 O(l) , 2 O_3(g) rarr 3 O_2(~g) , CH_4(g)+2 O_2(g) rarr CO_2(g)+2 H_2 O(g)

Justify that the following reaction is a redox reaction H_2S_(g) + Cl_(2(g)) rarr 2HCl_(g) + S_(s)

Classify the given chemical reactions into combination,displacement,decomposition and double dispacement reaction. a) Mg + O_2 rarr 2MgO b) H_2 + I_2 rarr 2HI c) 2H_2O rarr 2H_2 + O_2 d) NaCl + AgNO_3 rarr AgCl + NaNO_3 e) Zn SO_4 + BaCl_2 rarr BaSO_4 + Zn Cl_2 f) Zn + H_2SO_4 rarr ZnSO_4 + H_2 g) FeSO_4 + Zn rarr ZnSO_4 + Fe h) CaCO_3 rarr CaO + CO_2

V PUBLICATION-CHEMICAL KINETICS-Question Bank
  1. The temperature coefficient of most of the reaction lies between 1 and...

    Text Solution

    |

  2. A zero order reaction is one whose rate is independent of temperature...

    Text Solution

    |

  3. A unimolecular reaction is : 2HI rarr text (H)(2) +I(2) , N(2) O...

    Text Solution

    |

  4. The inversion of can suagr C{12}H{22}O{11}+H{2}OrarrC{6}H{12}O{6}+C{6}...

    Text Solution

    |

  5. The rate constant, activation energy and the Arrhenius parameter of a ...

    Text Solution

    |

  6. Unit of rate constant for zero order reaction is

    Text Solution

    |

  7. For the reaction (N)(2)+(3H)(2) rarr 2 (NH)(3), if [NH{3}]/delta t = ...

    Text Solution

    |

  8. In the reactionA+2BrarrC+2D initial rate -d[A]/dt=2.6*10^-2 Ms^-1 at t...

    Text Solution

    |

  9. Diazonium salt decomposes as mathbf(C)(6) (H)(5) (~N)(2)^+(Cl)- rarr (...

    Text Solution

    |

  10. For the reaction (A)+(B) rarr (C)+(D), doubling the concentration of b...

    Text Solution

    |

  11. A first order reaction has spećfic reaction rate 2 (min)^(-1). The hal...

    Text Solution

    |

  12. The rate of reaction, is doubled for every 10^(circ) rise in temperatu...

    Text Solution

    |

  13. In Arrhenius plot, the intercept is equal to

    Text Solution

    |

  14. A chemical reaction was carried out at 300 (~K) and 280 K. The rate co...

    Text Solution

    |

  15. The minimum energy required to permit a reaction is

    Text Solution

    |

  16. In a first order reaction mathbf(A) rarr (B) if (k) is rate con stant ...

    Text Solution

    |

  17. Collision theory is applicable to

    Text Solution

    |

  18. For a 1st order reaction, half life is 14 sec. The time required for t...

    Text Solution

    |

  19. Plot a graph showing variation in the concentration of reactants again...

    Text Solution

    |

  20. The rate of reaction between two reactants A and (B) decreases by a fa...

    Text Solution

    |