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In which of the following compound trans...

In which of the following compound transition metal has zero oxidation state

A

`CrO_5`

B

`NH_2NH_2`

C

`Ni(CIO_4)_2`

D

`[Fe(CO)_5]`

Text Solution

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The correct Answer is:
D
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PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
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  2. 0.1 M solution of KI reacts with excess of H2SO4 and KIO3 solutions,...

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  3. In which of the following compound transition metal has zero oxidation...

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  4. It takes 0,15 mole of CIO^- to oxidize 12.6 g of chromium oxide of a ...

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  5. 1 mol of ferrous oxalate is oxidized by x mol of MnO4^(-) and also 1 ...

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  6. Which reaction does not involve neither oxidation nor reduction ?

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  7. Consider the following reactions : C2O4^(2-)rarrCO2 SO4^(2-)rarrSO...

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  8. Which of the following reaction represents disproportionation ?

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  9. 6x10^(-3) mole K2Cr2O7 reacts completely with 9x10^(-3) mole X^(n+) ...

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  10. A certain ion X^(n+) is oxidized successively to XO4^(2-) and then ...

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  11. Write the common method of preparation of N2O.

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  12. How many moles of electrons are needed for the reduction of each mole ...

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  13. .What volume of H2O2 solution of 22,4 “vol strength" is required to l...

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  14. ln the reaction, 2CuSO4+ 4KIrarrCu2l2+2K2SO4+I2 the ratio of equivalen...

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  15. Hydroxylamine reduces iron (lll) according to following equation NH2...

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  16. In the following reaction (unbalanced) equivalent wt. of As2S3 is rela...

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  17. 60 ml 0.1 M KMnO4 is treated with excess FeC2O4 in presence of H2SO4...

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  18. What happens when iron is heated in presence of O2?

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  19. What volume of 2 N K2Cr2O7 solution is required to oxidise 0.81 g of ...

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  20. 600 ml of a 0.1 (N) solution of AgNO3 is added to 500 mL of 0.1 (N) KC...

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