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Identify the species in which the metal ...

Identify the species in which the metal atom is in +6 oxidation state.

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(3-)`

C

`NiF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

Text Solution

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The correct Answer is:
D
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RESONANCE ENGLISH-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
  1. Identify the species in which the metal atom is in +6 oxidation state.

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  2. Write the balanced chemical equation for developing photographic films...

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  3. In the standardization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodomet...

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  4. When MnO(2) fused with KOH, a coloured compound is formed . The produc...

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  5. The product of I^(-) with MnO(4)^(-) in alkaline medium is:

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  6. The pair of compounds having metals in their highest oxidation state i...

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  7. Which of the following pair of compounds is expected to exhibit same c...

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  8. In black and white photography, the developed film is fixed by washing...

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  9. Identify (A),(B) and (C). Also explain colour difference between MCl...

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  10. Match the reaction in column I with nature of the reactions/type of th...

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  11. Among the following the coloured compound is

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

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

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

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

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

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

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

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

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

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