JEE MAIN · CHEMISTRY · D AND F BLOCK ELEMENTS

JEE Main d and f Block Elements Questions & Solutions

12 solved questions on d and f Block Elements, ranging from easy to JEE-Advanced-flavour hard. Click any to see the full solution.

9Easy
3Medium
0Hard

All 12 questions

  1. Easy TRUE_FALSE +2 / -1

    Actinides are all radioactive elements.

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  2. Easy INTEGER +4 / -1

    The number of lanthanides is $x$.

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  3. Medium MCQ +4 / -1

    The phenomenon of "lanthanide contraction" refers to:

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  4. Easy MCQ +4 / -1

    Lanthanides are characterised by the filling of:

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  5. Easy TRUE_FALSE +2 / -1

    Zn²⁺ salts are white while Cu²⁺ salts are blue.

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  6. Easy INTEGER +4 / -1

    In K₂Cr₂O₇, the oxidation state of Cr is $x$.

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  7. Medium MCQ +4 / -1

    The brown ring test for nitrates involves formation of:

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  8. Medium MCQ +4 / -1

    The deep purple colour of KMnO₄ is due to:

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  9. Easy TRUE_FALSE +2 / -1

    All transition metals are hard and have high melting points.

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  10. Easy INTEGER +4 / -1

    The number of transition elements in the 3d series (period 4) is $x$.

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  11. Easy MCQ +4 / -1

    The catalytic activity of transition metals is due to:

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  12. Easy MCQ +4 / -1

    Which of the following is NOT a characteristic property of transition metals?

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