Question

For a first order reactions,

• A. $t_{1/2}=\frac{k}{a}$
• B. $t_{3/4}=2t_{1/2}$
• C. $t_{1/2}=\frac{0.693}{k}$
• D. $t_{1/2}=k\times 0.693$

Answer 1

Answer: (B), (C)

Correct answer is (b) $t_{3/4}=2t_{1/2}$ Correct answer is (c) $t_{1/2}=\frac{0.693}{k}$