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Which of the following has positive M^(2...

Which of the following has positive `M^(2+)`(aq) standard reduction electrode potential ?

A

Cu

B

Zn

C

Fe

D

Mn

Text Solution

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The correct Answer is:
A
Cu
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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-COMPETITION FILE (MULTIPLE CHOICE QUESTION ((A) MULTIPLE CHOICE QUESTION WITH ONLY ONE CORRECT ANSWER))
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  6. When potassium dichromate is heated with potassium hydroxide and the s...

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  7. In a reaction, K2 MnO4 is converted into KMnO4 . The change in the...

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  8. Mn3O4 is a mixed oxide of

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  9. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

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  11. The number of electrons involve in the equation CrO4^(2-)rarrCr2O7^(2...

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  12. The oxidation state of Cr in Cr(2)O(7)^(2-) is

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  13. In strongly alkaline medium, MnO4^- MnO4^(-) + e^(-) to MnO4^(2-) ...

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  14. In acidic medium, equivalent weight of K(2)Cr(2)O(7) (molecular weight...

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  15. (NH(4))(2)Cr(2)O(7) (ammonium dichromate) is used in fire works. The g...

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  16. The number of moles of KMnO(4) that will be needed to react with one m...

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  17. Number of electrons transferred in each case when KMnO(4) acts as an o...

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  18. The basic character of the transition metal monoxide follows the order

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  19. At pH = 11 , Cr2O7^(2-) ion changes to

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  20. Which of the following is the strongest base ?

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