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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
- Fill up the gaps: Uranium is an element ofseries.
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- Fill up the gaps: The compoundis known as philosopher's wool.
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- In the transition series with an increase in atomic number the atomic ...
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- Give reasons: Why is first ionization enthalpy of Cu is higher than th...
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- Why is the third ionization energy of manganese (at no 25) unexpectedl...
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- Name one ore of Manganese and Chromium.
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- Transition metel compounds are generally coloured. Why?
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- Give reasons: Why is HCl not used to acidify a permanganate solution i...
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- Why is copper sulphate pentahydrate coloured?
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- Why Zn, Cd and Hg are not regarded as transition element?
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- Write three general chracteristics of transition elements.
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- Why do transition elements show variable oxidation state?
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- What is spin only formula for calculation of magnetic moment? Calculat...
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- Write the method of preparation of potassium dichromate.
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- How potassium permanganate is prepared in the laboratory?
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- The electronic configuration of valence shell of Cr in the ground stat...
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- Both Cu and Zn have completely filled 3d atomic orbital. Cu is conside...
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- Cu, Ag and Au have completely filled d-orbitals yet they are regarded ...
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- In what way is the electronic configuration of the transition elements...
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- Complete the following reaction equation: Cr2O7^(2-) + Sn^2 + H^+ rarr
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