The d- and f-Block Elements

Bihar Board Class 12 · Chemistry · 31 past questions

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1. Q3 2025 Set D2022 Set E

   Which of the following ions is diamagnetic ?

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2. Q16 2022 Set E

   Magnesium is an important component of which biomolecule ?

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3. Q17 2022 Set E

   The general electronic configuration of transition elements is

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4. Q18 2022 Set E

   In which of the following is the oxidation state of Mn lowest ?

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5. Q19 2022 Set E

   Which of the following is not an actinide ?

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6. Q20 2022 Set E

   Which of the following ions is colourless ?

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