(C) Radioactivity is a nuclear phenomenon that involves the decay of unstable nuclei. It is independent of external factors such as temperature,pressu

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Its rate is affected by change in temperature and/or pressure

(C) Radioactivity is a nuclear phenomenon that involves the decay of unstable nuclei. It is independent of external factors such as temperature,pressure,or chemical combination. Therefore,the statement that its rate is affected by changes in temperature and/or pressure is incorrect.

Class 12 Chemistry Nuclear Chemistry Nucleus (Stability and Reaction)

Medium

Which of the following statements about radioactivity of an element is incorrect?

A
It is a nuclear property
B
It does not involve any rearrangement of electrons
C
Its rate is affected by change in temperature and/or pressure
D
It remains unaffected by the presence of other element or elements chemically combined with it