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Fe^(2+) and Fe^(3+) can be distinguished...

`Fe^(2+) and Fe^(3+)` can be distinguished by :

A

`NH_(4)SCN`

B

`CaCl_(2)`

C

`AgNO_(3)`

D

`H_(2)SO_(4)`.

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
  1. Mn(3)O(4) is a mixed oxide of :

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  2. The reaction MnO(4)^(-) + e^(-) to MnO(4)^(2-) occur in

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  3. Fe^(2+) and Fe^(3+) can be distinguished by :

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  4. The equivalent weight of MnSO(4) is half of its molecular weight when ...

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  5. When potassium dichromate crystals are heated with concentrated sulphu...

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  6. Acidified potassium dichromate is treated with hydrogen sulphide, IN t...

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  7. The oxidation states of Mn in K(2)MnO(4), KMnO(4) and Mn(2)O(7) are re...

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  8. In Cr(2)O(7)^(2-) :

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  9. In a redox reaction, how many moles of electrons are accepted by 1 mol...

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  10. Cr(2)O(3) dissolves in aqueous NaOH in the presence of an oxidant to f...

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  11. Passivity of iron is due to the formation of a thin layer of :

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  12. Two fo the constituents of German silver are :

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  13. The compound which gives off oxygen on moderate heating is :

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  14. Nessler's reagent is :

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  15. The black oxide of copper (CuO) in attacked by moisture and carbon dio...

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  16. FeCl(3) has each of the following characteristics except :

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  17. Thomas slag is :

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  18. Blister copper is :

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  19. Iron is obtained on a large scale by reduction of Fe(2)O3 with :

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  20. Which of the following ions exist as dimer ?

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