1
WB JEE 2022
MCQ (Single Correct Answer)
+2
-0.5
The correct pair of electron affinity order is
2
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
3
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 ?
4
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
The second ionization energy of the following elements follows the order
Questions Asked from Periodic Table (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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