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Complete the chemical reaction : S2O3^(2...

Complete the chemical reaction : `S_2O_3^(2-)+ Cr_2O_7^(2-)+ H^(+) rarr`

A

`OH^-`

B

`H_2O`

C

`H^+`

D

`O_2`

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Chromyl chloride is :

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  2. What is the maximum oxidation state shown by Manganese in its compound...

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  3. Complete the chemical reaction : S2O3^(2-)+ Cr2O7^(2-)+ H^(+) rarr

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  4. In which of the following pairs, the atomic size is almost the same ?

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  5. The hybridisation of Cr in Cr2O7^(2-) ion is

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  6. In alkaline medium, equivalent weight of KMnO4 is ,

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  7. What is lanthanoid contraction ?

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  8. In acidic medium the equivalent weight of K2Cr2O7, is :

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  9. Ammonium dichromate is used in fireworks. The green coloured powder bl...

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  10. The number of moles of KMnO4 that will be needed to react with one ...

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  11. The number of unpaired electrons in Ni^(2+) is

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  12. The electronic configuration of terbium (IV) (At. No. 65) is

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  13. Which of the following statement is not correct ?

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  14. In the standardisation of Na2S2O3 using K2Cr2O7 by iodometry, the equi...

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  15. How many moles of electrons are required to reduce 1 mol of MnO4^- to ...

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  16. The basic character of the transition metal monoxides follows the orde...

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  17. The correct order of ionic radii of Y^(3+), La^(3+), Eu^(3+) and Lu^(3...

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  18. Which one of the following ions will exhibit colour in aqueous solutio...

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  19. The number of moles of KMnO4 that will be needed to react with one ...

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  20. Which one of the following ions will exhibit colour in aqueous solutio...

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