The d- and f-Block Elements

CBSE Class 12 · Chemistry · 23 past questions

9 of 23 · show all

1. Q6 2025

   Out of $Fe^{3+}$, $Sc^{3+}$, $Cr^{3+}$ and $Co^{3+}$ ions, the one which is colourless in aqueous solution is…

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2. Q7 2025

   Out of the following statements, the *incorrect* statement is…

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3. Q8 2025

   The product of the oxidation of I$^-$ with MnO$_4^-$ in alkaline medium is…

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4. Q9 2025

   For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other…

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5. Q10 2025

   The element having $[Ar]3d^{10}4s^1$ electronic configuration is

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6. Q11 2025

   Complete and balance the following chemical equations…

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7. Q12 2025

   The magnetic moment is associated with its spin angular momentum and orbital angular momentum. Spin only…

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8. Q13 2025

   Acidified $KMnO_4$ oxidises sulphite to

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9. Q14 2025

   The elements of 3d transition series are given as…

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