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What is lanthanoid contraction ? What ar...

What is lanthanoid contraction ? What are consequeces of lanthanoid contraction ?

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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -SOLVED CBSE SCANNER
  1. Out of Mn^(3+) & Cr^(3+), which is more paramagnetic and why ? (Atomi...

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  2. Suggest reasons for the following features of transition metal chemist...

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  3. What is lanthanoid contraction ? What are consequeces of lanthanoid co...

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  4. Describe the preparation of potassium permanganate. How does the acidi...

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  5. Describing the oxidising action of potassium dichromate and write the ...

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  6. When chromite ore FeCr(2)O(4) is fused with NaOH in presence of air, a...

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  7. When chromite ore FeCr(2)O(4) is fused with NaOH in presence of air, a...

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  8. Complete the following chemical equations : 8MnO(4)^(-)+3S(2)O(3)^(...

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  9. Complete the following chemical equations : Cr(2)O(7)^(2-)+3Sn^(2+)...

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  10. Given reasons : Mn shows the highest oxidation state of + 7 with ox...

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  11. Given reasons : Actinoids show irregularities in their electronic c...

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  12. On heating copper turnings with conc. H(2)SO(4), a colourless gas with...

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  13. Account for the following : Mn(2)O(7) is acidic whereas MnO is basi...

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  14. Account for the following : Zr and Hf exhibit similar properties.

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  15. Account for the following : Transition metals form a large number o...

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  16. Write the preparation of K(2)MnO(4) from pyrolusite are (MnO(2)). Writ...

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  17. The elements of 3d transition series are given as - Sc, Ti, V, Cr, M...

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  18. The elements of 3d transition series are given as - Sc, Ti, V, Cr, M...

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  19. Write the preparation of sodium dichromate from chromite ore (FeCr(2)O...

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  20. Write the formula of an oxoanion of manganese (Mn) in which it shows t...

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