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JEE Chemistry - MCQ Practice Questions

Practice free JEE Chemistry multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

457 questions | 100% Free

Q.141Easy

For a zero-order reaction, the integrated rate law is [A] = [A]₀ - kt. If [A]₀ = 0.5 M and k = 0.02 M·s⁻¹, find time when [A] = 0

Q.142Easy

Consider the mechanism: (1) A + B ⇌ C (fast equilibrium), (2) C + D → E + F (slow). Which is the rate-determining step?

Q.143Easy

Which factor does NOT affect the rate constant k of a reaction?