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Oxidation state of Mn in the compound fo...

Oxidation state of Mn in the compound formed by alkaline oxidative fusion of `MnO_(2)` by KOH is `:`

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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. Match the reaction in column I with nature of the reactions/type of th...

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  2. Among the following the coloured compound is

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  3. Oxidation state of Mn in the compound formed by alkaline oxidative fus...

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  4. Reduction of the metal centre in aqueous permanganate ion involves

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  5. The colour of light absorbed by an aqueous solution of CuSO(4) is

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  6. Which of the following halides react(s) with AgNO(3)(aq) to give a pre...

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  7. Consider the following list of regents: Acidified K(2)Cr(2)O(7), alkal...

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  8. Which of the following statement are correct about Cr^(2+) (Z = 24) an...

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  9. Fe^(3+) is reduced to Fe^(2+) by using

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  10. In the following reaction sequence in aqueous solution, th species X, ...

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  11. Which of the following combination will produce H(2) gas ?

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

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  13. Which of the following ions has the maximum magnetic moment in aqueous...

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  14. Most common oxidation state for Ce (Cerium) are:

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  15. What would happen when a solution of potassium chromate is treated wit...

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  16. Which one of the following nitrates will leaves behind a metal on stro...

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  17. The atomic number of Vanadium (V), Chromium (Cr), Magnaness (Mn) and I...

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  18. Which of the following group of transition metals is called coinage me...

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  19. The number of d-electrons retained in Fe^(2+) (At. No Fe=26) ions are:

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  20. Ammonia forms the complex [Cu(NH(3))(4)]^(2+) will copper ions in alka...

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