Home
Class 11
CHEMISTRY
An enzyme [E] is combined with the subst...

An enzyme [E] is combined with the substrate [S] as follows:
`E+S underset(K_(-1))overset(K_(1))hArr ES`
`ES overset(K_(2))rarr P +E`
The overall reaction rate is given by:
Rate `=(V_("max")[S])/(K_(m)+[S])` and the rate of reaction varies with substrate concentration as:

The order of reaction at point A is :

A

1

B

2

C

0

D

3

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ADSORPTION AND CATALYSIS

    OP TANDON|Exercise Assertion -Reason TYPE QUESTIONS|19 Videos

  • ADSORPTION AND CATALYSIS

    OP TANDON|Exercise Matrix Matching Type Questions|7 Videos

  • ADSORPTION AND CATALYSIS

    OP TANDON|Exercise OBJECTIVE QUESTIONS (LEVEL-A)|119 Videos

  • AROMATIC HYDROCARBONS (ARENES)

    OP TANDON|Exercise EXAMPLES|24 Videos

Similar Questions

Explore conceptually related problems

For the two step reaction in which both the steps are first order R overset(k_(1))rarr I I overset(k_(2))rarr P the rate of change of concentration of I is given by the plot

(a) For a reaction , A+B rarr Product the rate law is given rate = k[A]^(1)[B]^(2) .What is the order of the reaction ? (b) write the unit of rate constant k for the first order reaction

Conisder the following proposed mechanism A underset(k_(1))overset(k_(2))hArr B , B+C overset(k_(3))rarrD For the overall reaction A+CrarrD , assuming B to be an intermediate described by the steady state approximation, write the rate expresison for [A] .

For the reaction, H_(2)+I_(2)overset(k_(1))underset(k_(2))hArr2HI . The rate law expression is :

The reaction mechanism for the reaction PtoR is as follows: Punderset(k_(2))overset(k_(1))hArr2Q("fast"),2Q+poverset(k_(3))toR("slow") the rate law for the net reaction (ptoR) is:

The rate law for the reaction, RCl + Na (a) rarr ROH + NaCl is given by, rate = K_(1) [RCl]. The rate of the reaction will be -

For a reaction whose rate expression is rate (dx)/(dt)=k[A]^(1//2) [B]^(3//2) the overall order of the reaction will be:

For the reactions (i) A overset(K_(I))rarr P and (ii) B overset(K_(II))rarr Q , following observation is made. Calculate (K_(I))/(K_(II)) where K_(I) and K_(II) are rate constants for the respective reaction.

For the consecutive unimolecular first order reaction A overset(k_(1))rarr R overset(k_(2))rarr S , the concentration of component A , C_(A) at any time t is given by

OP TANDON-ADSORPTION AND CATALYSIS-OBJECTIVE QUESTIONS (LEVEL-B)
  1. The curveshowing the variation of pressure with temperature for a give...

    Text Solution

    |

  2. Which of the following statements is incorrect ?

    Text Solution

    |

  3. Adsorption is the tendency of accumulation of molecular species at the...

    Text Solution

    |

  4. Adsorption is the tendency of accumulation of molecular species at the...

    Text Solution

    |

  5. Which of the following factors are responsible for the increase in the...

    Text Solution

    |

  6. In Langumir's model of adosrption of a gas on a solid surface :

    Text Solution

    |

  7. An enzyme [E] is combined with the substrate [S] as follows: E+S und...

    Text Solution

    |

  8. Which type of graph gives straight line in Langmuir adsorption isother...

    Text Solution

    |

  9. Plot of log against log P is a straight line inclined at an angl...

    Text Solution

    |

  10. Following graphs will be true when :

    Text Solution

    |

  11. Methylene blue, from its aqueous solution, is adsorbed on activated ch...

    Text Solution

    |

  12. Zeolites are microporous catalyst. General formula of Zeolite may be g...

    Text Solution

    |

  13. Which of the following statements are correct ?

    Text Solution

    |

  14. Which of the following are Zeolites ?

    Text Solution

    |

  15. Which of the following act as negative catalyst ?

    Text Solution

    |

  16. Select the correct statements about enzymes :

    Text Solution

    |

  17. Which of the following are correct about the catalyst ?

    Text Solution

    |

  18. The given graph/data I,II,III and IV represent general trends observe...

    Text Solution

    |

  19. When O2 is adsorbed on ametallic surface, electron transfer occurs fro...

    Text Solution

    |

  20. The correct statement (s) about surface properties is (are)

    Text Solution

    |