1
WB JEE 2021
MCQ (Single Correct Answer)
+2
-0.5
5.75 mg of sodium vapour is converted to sodium ion. If the ionisation energy of sodium is 490 kJ mol$$-$$1 and atomic weight is 23 units, the amount of energy needed for this conversion will be
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Which of the following statements is not true for the reaction, 2F2 + 2H2O $$ \to $$ 4HF + O2 ?
3
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
The second ionization energy of the following elements follows the order
4
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
The melting points of (i) BeCl2 (ii) CaCl2 and (iii) HgCl2 follows the order
Questions Asked from Periodic Table (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
WB JEE Subjects
Physics
Mechanics
Units & MeasurementsVector AlgebraMotionLaws of MotionCircular MotionWork Power & EnergyCenter of MassRotational MotionProperties of MatterHeat and ThermodynamicsSimple Harmonic MotionWavesGravitation
Electricity
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Optics
Modern Physics
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Physical Chemistry
Some Basic Concepts of ChemistryAtomic StructureRedox ReactionGaseous StateChemical EquilibriumLiquid SolutionIonic EquilibriumThermodynamicsChemical KineticsRadioactivity and Nuclear ChemistryElectrochemistrySolid StateSurface Chemistry
Inorganic Chemistry
Periodic TableChemical BondingMetallurgyHydrogen and It's CompoundsSome s Block ElementsSome P Block Elementsd and f Block ElementsCoordination Compounds
Organic Chemistry
Mathematics
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