A first order reaction has the rate constant, k = 4.6 × 10–3 s–1. The number of correct statement/s from the following is/are____________ Given: log 3 = 0.48 A. Reaction completes in 1000 s. B. The re

Question

A first order reaction has the rate constant, k = 4.6 × 10–3 s–1. The number of correct statement/s from the following is/are____________ Given: log 3 = 0.48 A. Reaction completes in 1000 s. B. The reaction has a half-life of 500 s. C. The time required for 10% completion is 25 times the time required for 90% completion. D. The degree of dissociation is equal to (1– e–kt) E. The rate and the rate constant have the same unit.

Prashant Kotian · Accepted Answer

Correct answer: .. (C & D) Statement 4 is correct Ct = Co e–kt Co  Co – Ct 1  o t o C C – C

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