JEE PYQ: Atomic Structure Question 8
Question 8 - 2021 (18 Mar Shift 2)
Statement I: Bohr’s theory accounts for the stability and line spectrum of Li$^+$ ion.
Statement II: Bohr’s theory was unable to explain the splitting of spectral lines in the presence of a magnetic field.
(1). (Both statement I and statement II are true.)
(2). (Statement I is false but statement II is true.)
(3). (Both statement I and statement II are false.)
(4). (Statement I is true but statement II is false.)
Show Answer
Answer: (2)
Solution
Bohr’s theory applies to single-electron species (He$^+$, Li$^{2+}$), not Li$^+$. Statement I is false. Statement II is true (Zeeman effect not explained).
BETA
