Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)Chemical Equilibrium
MCQ (Single Correct Answer)Radioactivity and Nuclear Chemistry
MCQ (Single Correct Answer)Solid State
MCQ (Single Correct Answer)Surface Chemistry
MCQ (Single Correct Answer)Inorganic Chemistry
Periodic Table
MCQ (Single Correct Answer)Hydrogen and It's Compounds
MCQ (Single Correct Answer)d and f Block Elements
MCQ (Single Correct Answer)Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)General Organic Chemistry
MCQ (Single Correct Answer)Polymers
MCQ (Single Correct Answer)Biomolecules
MCQ (Single Correct Answer)Practical Chemistry
MCQ (Single Correct Answer)Chemistry In Everyday Life
MCQ (Single Correct Answer)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 MCQ (Single Correct Answer)
WB JEE Subjects
Physics
Mechanics
Electricity
Chemistry
Physical Chemistry
Inorganic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry