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JMD PUBLICATION-d-And f-BLOCK ELEMENTS-Example
- What are transition elements ? Which of the d block elements are not r...
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- Give the general electronic configuration of d-block elements.
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- Scandium (z = 21) is a transition element but zinc (z = 30) is not. Ex...
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- Sliver atom has completely filled d-orbitals (4d^10) in its ground sta...
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- Zn salts are white, Ni^(++) salts are blue explain
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- Account for : Zn^(2+) salts are white while Cu^(2+) salts are blue.
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- Out of Fe^(2+) and Fe^(3+) which is more paramagnetic and why ?
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- Why Cd^(2+) salts are white ? Cd=48
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- Which of the two is paramagnetic V(IV) or V(V) and why ?
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- Ionisation energy of 5d-elements is more than 3d- and 4d-elements. W...
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- Transition metals form number of interstitial compounds. Explain.
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- Why do transition metals have high enthalpies of atomization ?
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- Why do transition metals have high enthalpies of atomization ?
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- Which of the 3d-series of transition elements exhibits the largestn nu...
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- Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?
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- Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?
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- The E°(M^2+/M)value for copper is positive (+0.34 V). What is the p...
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- Why does Mn(II) shows maximum paramagnetic character among the dival...
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- Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...
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- Transition metals form mostly coloured compounds.Explain.
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