JEE Main Chemistry question

Which of the following statements does not form a part of Bohr's model of the hydrogen atom? **[DCE 2005]**

(A)Energy of the electrons in the orbit is quantised
(B)The electron in the orbit nearest the nucleus has the lowest energy
(C)Electrons revolve in different orbits around the nucleus
(D)The position and velocity of the electrons in the orbit cannot be determined simultaneouslyCorrect

Answer: (D)

Solution

Options (a)–(c) are all explicit postulates of Bohr's model. Option (d) is Heisenberg's uncertainty principle, a later idea that is actually inconsistent

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Question ID VK-132170