Question

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Updated on : 2022-09-05

Solution

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Correct option is A)

$_{z−4}X_{A−8}$

After the next two $β$ decays, the atomic number will increase by 2 units. The product will be,

$_{z−2}X_{A−8}$

After the last two $γ$ decays, the atomic number and the mass number will remain unchanged. Final daughter product is

$_{z−2}X_{A−8}$

The assertion is therefore correct and the reason is also correct which is the correct explanation for assertion.

The answer is option (A).

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