ABC26IN0224 · Nuclear Chemistry

Subject: Inorganic Chemistry · Chapter: Nuclear Chemistry · Topic: Nuclear Chemistry – General · Exam: CSIR-NET 2014 · Marks: 2 · Difficulty: Easy

The particles postulated to always accompany the positron emission among are: (A) neutrino, (B) anti-neutrino, (C) electron,
(a)A, B and C
(b)A and B
(c)A and C
(d)B and C
Answer
Answer (as printed): C
Explanation
Particles that are always emitted during positron emission:
\[ {}_1^1\mathrm{p} \rightarrow {}_0^1\mathrm{n} + e^{+} + \bar{\nu} \ (\text{antineutrino}) \]

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