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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-Question From Board Examination
- (a) How would you account for the following : (i) Actinoids contract...
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- (i) Account for the fact that Eu^(2+) is a strong reducing agent. (...
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- {:(E(M^(2+)//M)^(@),Cr,Mn, Fe, Co, Ni, Cu),(,-0.91,-1.18,-0.44,-0.28,-...
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- When chromite ore FeCr(2)O(4) is fuse with NaOH in presence of air, a ...
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- Complete the following chemical equations : (i) 8MnO(4)^(-)+3S(2)O(3...
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- Give reason for the following : (i) Mn shows the highest oxidation s...
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- (a) Account for the following : (i) Mn(2)O(7) is acidic whereas MnO ...
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- The element of 3d transition series are given as : Sc Ti V Cr Mn Fe ...
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- Explain the following : (i) Most of the transition elements show var...
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- (i) Write the electronic configuration of Cu^(+) and Cu^(2+) ions (Z=2...
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- (i) What are intersitial compounds ? Give their general characteristic...
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- (i) What are transition elements ? (ii) Why do transition elements s...
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- How will you obtain pure potassiu permanganate (KMnO(4)) crystals from...
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- Give balance chemical equation for the following : (i) Silverf nitra...
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- Identify the following : (i) Oxoanion of chromium which is stable in...
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- The magnetic moments of few transition metal ions are given below : ...
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- How is the variability in oxidation state of transition metals differ...
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- What are coinage metals ? Give example .
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- How would you account for the irregular of ionisation enthalpies (firs...
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- The element cerium forms Ce^(4+) ion in aqueous solution. Explain.
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