The d and f-Block Elements questions
808 published questions with worked solutions.
- Transition metals are less reactive because of their:
- Colour in transition metal compounds is attributed to:
- Useful lanthanoid member is:
- Each transition series contains:
- The inner transition elements are the elements in which the added electrons go to:
- The compound used in preservation of wood is:
- Cerium can show the oxidation state of +4 because:
- Which is not correct for transition metals?
- The catalytic activity of transition metals and their compounds is ascribed mainly to:
- Chromium is used in making:
- An alloy of Co, Ni and Fe used in permanent magnets is:
- Which of the following belongs to the actinoid series of elements?
- Transition elements form complexes because of:
- Which one of the elements is a d-block element?
- Lanthanoids and actinoids resemble in:
- Iron exhibits +2 and +3 oxidation states. Which of the following statements about iron is incorrect?
- Maximum paramagnetism in 3d-series is shown by:
- In the first transition series, the differentiating electron enters:
- One of the important uses of ferrous sulphate is in the:
- In the case of d-block elements:
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