Half - life period for radioactive element is :

always constant

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variable

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independent of final concentration

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independent of initial concentration

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Solution

The correct options are
A independent of initial concentration
C always constant
D independent of final concentration
Constant of equilibrium is always independent of final concentration. It is also independent of initial concentration. It is given by the expression,
$t_{1} / 2 = \frac{0.693}{K}$
Therefore, $t_{1 / 2}$ is always constant and independent of initial concentration.

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