A) 3\[\alpha \] and 2\[\beta \]
B) 5\[\alpha \] and 3\[\beta \]
C) 3\[\alpha \] and 3\[\beta \]
D) 5\[\alpha \] and 5 \[\beta \]
Correct Answer: C
Solution :
By mean of emission of an \[\alpha \]-particle the atomic number is decreased by two unit while mass number is decreased by four unit, but in case of emission of one, \[\beta \]-particle the atomic number is increased by one unit while mass number is not effected \[_{92}{{X}^{232}}\underset{-3\beta }{\mathop{\xrightarrow{-3\alpha \,and}}}\,{{\,}_{89}}{{Y}^{220}}\] So, \[3\alpha \] and \[3\beta \] particles are ejected.
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