Order, Molecularity and Mechanism Past Year (2006 - 2015) MCQs Chemical Kinetics Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The rate Constant of reaction A $\to$ B is 0.6 × 10^–3 mole per second. If the Concentration of A is 5, then the concentration of B after 20 min is:

1. 1.08M

2. 3.60M

3. 0.36M

4. 0.72M

Subtopic: Order, Molecularity and Mechanism |

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When the initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction will be:
1. 0
2. 1
3. 1.5
4. 2

Subtopic: Order, Molecularity and Mechanism |

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For a reaction between A and B the order with respect to A is 2 and the order with respect to B is 3. The concentration of both A and B is doubled the rate will increase by a factor of:

1.	12	2.	16
3.	32	4.	10

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A reaction is 50% complete in 2 hours and 75% complete in 4 hours. The order of the reaction is:

1.	1	2.	2
3.	3	4.	0

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For the reaction,
$N_{2} O_{5} (g) \to 2 {NO}_{2} (g) + \frac{1}{2} O_{2} (g)$
the value of rate of disappearance of N₂O₅is given as 6.25 x 10^-3mol L^-1s^-1.The rate of formation of NO₂ and O₂ is given respectively as:

1.	6.25 × 10^-3 mol L^-1s^-1 and 6.25 × 10^-3 mol L^-1s^-1.
2.	1.25 × 10^-2 mol L^-1s^-1 and 3.125 × 10^-3 mol L^-1s^-1.
3.	6.25 × 10^-3 mol L^-1s^-1 and 3.125 × 10^-3 mol L^-1s^-1.
4.	1.25 × 10^-2 mol L^-1s^-1and 6.25 × 10^-3mol L^-1s^-1.

Subtopic: Order, Molecularity and Mechanism |

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