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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
- What is meant by disproportionation? Give one example of disproportion...
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- Which matal in the first series of transition metal exhibite +1 oxidat...
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- Give reason: among transition metals, the highest oxidation state is e...
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- What are alloys? Name an important alloy which contains some of the la...
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- Which is the last element in the series of the actinoids? Write the el...
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- Use Hund's rule to derive the electronic configuration of Ce^(3+) ion ...
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- Compare the chemistry of Actinoids with that of the Lanthanoids with s...
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- Compare the chemistry of Actinoids with that of the Lanthanoids with s...
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- Compare the chemistry of actinoids with that of the lanthanoids with s...
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- Write the electronic configuration of the elements with the atomic num...
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- Why is copper sulphate pentahydrate coloured?
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- Give reasons: Why is HCl not used to acidify a permanganate solution i...
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- What are lanthanoids?
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- Write the highest oxidation state exhibited by chromium (Z = 24).
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- What is the most stable oxidation state of manganese (Z = 25)?
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- Name the first element of the 3d transition metal series.
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- Write the highest oxidation state of element with atomic number 23.
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- Name the tripositive metal ion represented by the configuration 1s^2 2...
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- Give reasons: Name one ore each of the manganese and chromium.
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- What are interstitial compounds? Mention principla physical and chemic...
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