1.

In the given reaction ._(92)U^(235) overset(-alpha)rarr (A) overset(-beta)rarr (B) overset(-beta)rarr (C) isotopes are

Answer»

A and C
`._(92)U^(235)` and C
A and B
A, B and C

Solution :`._(92)U^(235) overset(-alpha)RARR (A) overset(-beta)rarr (B) overset(-beta)rarr (C)`
(i) `._(92 -2)A^(235-4) = ._(90)A^(231)`
(ii) `._(90)A^(231) overset(-beta)rarr ._((90 +1))B^((231)) = ._(91)B^(231)`
(III) `._(91)B^(231) overset(-beta)rarr ._((91 +1))C^(231) = ._(92)C^(231)`
Isotopes are `._(92)U^(235) and C`


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