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JEE Advanced 2007Paper 2
Exam
JEE Advanced
Year
2007
Paper
Paper 2
Subject
Chemistry
Chapter
Chemical Kinetics

JEE Advanced 2007 · Paper 2 · Chemistry · Chemical Kinetics

A positron is emitted from _ 11 ^ 23 Na . The ratio of the atomic...

A positron is emitted from 1123Na{ }_{11}^{23} \mathrm{Na}. The ratio of the atomic mass and atomic number of the resulting nuclide is

Options

  1. A22/10
  2. B22/11
  3. C23/10
  4. D23/1223 / 12

Correct answer

C. 23/10

Step-by-step solution

{ }_{11}^{23} \mathrm{Na} \longrightarrow{ }_{10}^{23} \mathrm{Na}+{ }_{-1}^0 e
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