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JEE Advanced2013ChemistryChemical KineticsActual

In the nuclear transmutation 4 9 Be + X ⟶ 4 8 Be + Y , identify X , Y .

Options

  1. Aγ n
  2. Bp D
  3. Cn D
  4. Dγ p

Correct answer

A. γ n

Step-by-step solution

By charge and mass conservation, we can complete the nuclear transformation. 9 4 Be + γ ⟶ 8 4 Be + 1 0 n 9 4 Be + 1 H 1 ⟶ 8 4 Be + 2 1 D 9 4 Be + 0 n 1 ⟶ 8 4 Be + 2 1 0 n As with γ -rays, the emission is neutron and not proton.

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