DPP – 11C25
Bohr’s Model
Q1. Calculate energy of electron in 2nd orbit of He+ also calculate the radius.
(Ans: 𝐸2 = –2.18 × 10−18 J/atom, 𝑟2 = 105.8 pm)
Q2. Calculate the energy required to remove an electron from 2nd orbit to 4m orbit also calculate the wavelength associated with it.
(Ans: △E = 4.08 × 10−20 J , λ = 4.87 × 10−16 m)
Q3. Calculate the ionization energy for H atom from ground state.
(Ans: △E = 2.18 × 10−18 J)
Q4. Calculate the energy change in the process 𝐻𝑒+ → 𝐻𝑒2+ + 𝑒 −.
(Ans: △E = 8.72 × 10−18 J)