Atomic Structure Question 31

Question: Radius of the first Bohr’s orbit of hydrogen atom is [RPET 2000]

Options:

A) 1.06,\AA

B) 0.22,\AA

C) 0.28,\AA

D) 0.53,\AA

Show Answer

Answer:

Correct Answer: D

Solution:

Bohr’s radius of the hydrogen atom r=n2×0.529\AAz ; where z = Atomic number, n = Number of orbitals

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