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Chemical Kinetics and Radioactivity

Quick practice

Question 1 of 5

For a reaction, \frac{1}{2} \mathbf{A} \rightarrow 2 \mathbf{B} , the rate of disappearance of 'A' is related to the rate of appearance of 'B' by the expression.

A

-\frac{\mathrm{d}[\mathrm{A}]}{\mathrm{dt}}=4 \frac{\mathrm{d}[\mathrm{B}]}{\mathrm{dt}}

B

\frac{d[\mathrm{A}]}{d t}=\frac{1}{4} \frac{d[\mathrm{B}]}{d t}

C

-\frac{\mathrm{d}[\mathrm{A}]}{\mathrm{dt}}=\frac{1}{2} \frac{\mathrm{d}[\mathrm{B}]}{\mathrm{dt}}

D

-\frac{\mathrm{d}[\mathrm{A}]}{\mathrm{dt}}=\frac{\mathrm{d}[\mathrm{B}]}{\mathrm{dt}}

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