Correct Answer: Option A

Explanation

\(^{235}_{92}U\) \(\to\) 4\((^{4}_{2}\alpha)\) + 3\((^{0}_{-1}e)\) + \(^{b}_{a}y\)

a + (4 + 2) + (3x - 1) = 92 \(\Rightarrow\) a = 87

b + (4 x 4) + (3 x 0) = 235 \(\Rightarrow\) b = 219

\(^{b}_{a}Y\) = \(^{219}_{87}Y\)

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