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Q.

A radioactive nucleus X 235 92  decays to  Y 231 91 . Which of the following particles are emitted?

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a

One alpha and one electron

b

Two deuterons and one positron

c

One alpha and one proton

d

One proton and four neutrons

answer is A.

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Detailed Solution

X 235 92 →αX 231 90 →e 0 -1 Y 231 91
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A radioactive nucleus X 235 92  decays to  Y 231 91 . Which of the following particles are emitted?