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Which metal in the first series of trans...

Which metal in the first series of transition metals exhibits +1 oxidation state most frequently and why?

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The correct Answer is:
Copper , because with `+1` oxidation state an extra stable configuration , `3d^(10)` results
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RESONANCE ENGLISH-D BLOCK ELEMENTS-EXERCISE-2 PART-I
  1. Why are Mn^(2+) compounds more stable than Fe^(2+) towards oxidation t...

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  2. How is the variability in oxidation states of transition metals differ...

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  3. Which metal in the first series of transition metals exhibits +1 oxida...

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  4. The E^(0)(M^(2+)//M) value for copper is positive (+0.34V). What is po...

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  5. Why is the E^(ϴ) value for the Mn^(3+)//Mn^(2+) couple much more posit...

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  6. Which is a stronger reducing agent Cr^(2+)or Fe^(2+) and why ?

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  7. Explain why Cu^(+) ion is not stable in aqueous solutions?

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  8. The aqueous solution of FeCl(3) is acidic . Why?

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  9. Ferric iodide is very unstable but ferric chloride is not

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  10. Copper dissolves in dilute nitric acid but not in dilute HCl. Why?

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  11. Blue colour of CuSO(4) solution is discharge slowly when an iron rod i...

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  12. Copper (I) ions are not known in aqueous solution.

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  13. Calculate the number of unpaired electrons in the following gaseous io...

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  14. Mercurous ion is written as Hg(2)^(2+) whereas cuprous ion is written ...

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  15. Copper sulphate dissolves in NH(4)OH solution but FeSO(4) does not.

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  16. An aqueous solution of inorganic compounds (X) gives following reactio...

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  17. H(2)S gas is passed through an acidic solution of K(2)Cr(2)O(7) .The s...

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  18. What happen when(i) a small amount of KMnO(4) is added to concentrated...

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  19. A hydrated mettalic salt(A). Light green in colour , on careful heatin...

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  20. A white substance (A) reacts with dilute H(2)SO(4) to produce a colour...

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