Arrhenius Equation Absorb Before You Solve 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

Which of the following statements is not true for the rate constant, k?

1.	large value of k indicates fast reactions.
2.	The value of k is independent of the concentration of reactants
3.	The value of k is independent of the concentration of products
4.	The value of the rate constant, k, as the name suggests is always constant for a particular reaction at all temperatures.

Subtopic: Arrhenius Equation |

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

Assertion (A):	For an endothermic reaction, the potential energy of the reactant is more than the potential energy of the product.
Reason (R):	Reactant molecules before converting to product form an activated complex that has lower energy than reactants as well as the products.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Subtopic: Arrhenius Equation |

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

The rate of a reaction is decreased by 3.555 times when the temperature was changed from 40°C to 30°C. The activation energy (in kJ ${mol}^{- 1}$ ) of the reaction is:
(Take R=8.314 J ${mol}^{- 1} K^{- 1}$ In 3.555=1.268)

1. 100 kJ/mol
2. 120 kJ/mol
3. 95 kJ/mol
4. 108 kJ/mol

Subtopic: Arrhenius Equation |

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at $25^{\circ}C$ are $3\times10^{-4}~s^{-1},104.4~kJ~mol^{-1}$ and $6\times10^{14}~s^{-1}$ respectively. The value of the rate constant as $T\rightarrow\infty$ is

1. $2\times10^{18}~s^{-1}$
2. $6\times10^{14}~s^{-1}$
3. $\infty$
4. $3.6\times10^{30}~s^{-1}$

Subtopic: Arrhenius Equation |

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

What is the pre-exponential factor for a reaction at 500 K with a rate constant of 0.02 s⁻¹ and an activation energy of 18.230 kJ?

1. 1.61
2. 1.41
3. 1.81
4. 1.21

Subtopic: Arrhenius Equation |

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

To view explanation, please take trial in the course below.

NEET 2025 - Target Batch

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Add Note

Add Note

Add Note

Add Note

Add Note

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions