1

JEE Main 2019 (Online) 8th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

For a reaction scheme $$A\buildrel {{k_1}} \over
\longrightarrow B\buildrel {{k_2}} \over
\longrightarrow C$$,

if the rate of formation of B is set to be zero then the concentration of B is given by :

if the rate of formation of B is set to be zero then the concentration of B is given by :

2

JEE Main 2019 (Online) 8th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

For the reaction 2A + B $$ \to $$ C, the values of initial rate at diffrent reactant concentrations are
given in the table below. The rate law for the reaction is :

[A] (mol L^{-1}) |
[B] (mol L^{-1}) |
Initial Rate (mol L^{-1}s^{-1}) |
---|---|---|

0.05 | 0.05 | 0.045 |

0.10 | 0.05 | 0.090 |

0.20 | 0.10 | 0.72 |

3

JEE Main 2019 (Online) 12th January Evening Slot

MCQ (Single Correct Answer)

+4

-1

For a reaction consider the plot of $$\ell $$n k versus 1/T given in the figure. If the rate constant of this reaction at 400 K is 10

^{–5}s^{–1}, then the rate constant at 500 K is –4

JEE Main 2019 (Online) 12th January Morning Slot

MCQ (Single Correct Answer)

+4

-1

Decomposition of X exhibits a rate constant of 0.05 $$\mu $$g/year. How many year are required for the decomposition of 5$$\mu $$g of X into 2.5 $$\mu $$g?

Questions Asked from Chemical Kinetics and Nuclear Chemistry (MCQ (Single Correct Answer))

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