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Identify [A] and [B] in the following: ...

Identify [A] and [B] in the following:
`._(89)^(227)Ac overset(-beta)(to) [A] overset(-alpha)(to)[B] overset(-alpha)(to)Rn`

A

Po, Rn

B

Th, Po

C

Ra, Th

D

Th, Ra

Text Solution

Verified by Experts

The correct Answer is:
D
`._(89)^(227)Ac overset(-beta)rarr ._(90)^(227)Th overset(-alpha)rarr ._(88)^(223)Ra overset(-alpha)rarr ._(86)^(219)Rn`
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ERRORLESS -NUCLEAR CHEMISTRY -Ordinary Thinking (Causes of radioactivity and Group displacement law)
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  2. Which emits beta-particles ?

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  9. If .(92)U^(235) assumed to decay only by emitting two alpha-and one be...

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  14. Nd (Z = 60) is a member of group 3 in periodic table. An isotope of it...

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  18. The appreciable radioactivity of uranium minerals is mainly due to:

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