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Periodic Table

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is : (Given v = frequency of X-ray emitted; Z...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The energy required to...
JEE Main Chemistry Easy
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Q JEE-Main_2023
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A) : The first...
JEE Main Chemistry Hard
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Q JEE MAIN 2023
For electron gain enthalpies of the elements denoted as $\Delta_{\mathrm{eq}} \mathrm{H}$, the incorrect option is:
JEE Main Chemistry Medium
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Q JEE MAIN 2023
Which one of the following sets of ions represents a collection of isoelectronic species? (Given : Atomic Number : $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
The set of correct statements is: (i) Manganese exhibits +7 oxidation state in its oxide. (ii) Ruthenium and Osmium exhibit +8 oxidation in their oxides....
JEE Main Chemistry Easy
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Q JEE MAIN 2023
Given below are two statements: Statement I : The decrease in first ionization enthalpy from B to Al is much larger than that from Al...
JEE Main Chemistry Hard
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Q JEE MAIN 2023
Which of the following statements are not correct? A. The electron gain enthalpy of F is more negative than that of Cl B. Ionization enthalpy...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
For elements B, C, N, Li, Be, O and F the correct order of first ionization enthalpy is
JEE Main Chemistry Medium
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Q JEE MAIN 2023
Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: 5f electrons can...
JEE Main Chemistry Hard
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