1
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
The number of unpaired electron in Mn2+ ion is
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
The de-Broglie wavelength ($$\lambda$$) for electron (e), proton (p) and He2+ ion ($$\alpha$$) are in the following order. Speed of e, p and $$\alpha$$ are the same
3
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
In Bohr model of atom, radius of hydrogen atom in ground state is r1 and radius of He+ ion in ground state is r2. Which of the following is correct?
4
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Which one of the following is the correct set of four quantum numbers (n, 1, m, s) ?
Questions Asked from Atomic Structure (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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