JEE Main d- and f-Block Elements questions
6 Chemistry questions on d- and f-Block Elements as asked in JEE Main, newest first. 6 come with a worked solution.
- The magnetic moment of a transition metal compound has been calculated to be 3.87 B.M. The metal ion is
2023 · with solution
- Which one amongst the following are good oxidizing agents? A. Sm^2+ B. Ce^2+ C. Ce^4+ D. Tb^4+ Choose the most appropriate answer from the options given below:
2023 · with solution
- Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from
2023 · with solution
- The standard electrode potential (M^3+/M^2+) for V, Cr, Mn & Co are -0.26 V, -0.41 V, +1.57 V and +1.97 V, respectively. The metal ions which can liberate H_2 from a dilute acid are
2023 · with solution
- An ammoniacal metal salt solution gives a brilliant red precipitate on addition of dimethylglyoxime. The metal ion is:
2023 · with solution
- How many of the following metal ions have similar value of spin only magnetic moment in gaseous state? (Given: Atomic number : V, 23; Cr, 24; Fe, 26; Ni, 28) V^3+, Cr^3+, Fe^2+, Ni^3+
2023 · with solution
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