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The salt of the d - block element that i...

The salt of the d - block element that is used as a catalyst in the dissociation of bleaching powder is -

A

Ni

B

Co

C

V

D

Cr

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The correct Answer is:
B
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CHHAYA PUBLICATION-D - AND F - BLOCK ELEMENTS -MCQ (Single Correct Type)
  1. If excess of KCN is added to a solution containing Cu^(2+) and Cd^(2+)...

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  2. Which one of the following precipitate is not white -

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  3. The salt of the d - block element that is used as a catalyst in the di...

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  4. The metal chloride that responds to the chromyl chloride test is -

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  5. Theamount of nickel present in steel, used in the manufacture of pendu...

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  6. The formula of mangano - manganic oxide resembles to -

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  7. The value of magnetic moment is the same for -

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  8. In dichromate ion, the measure of Cr - O - Cr angle is -

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  9. The number of electrons present in the 5f - orbital in the ground stat...

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  10. Gold dissolves in aqua regia to form -

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  11. A chocolate - brown precipitate is obtained when acetic acid and potas...

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  12. The aqueous solutions having the same colour are observed in case of -

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  13. Free silver metal reacts with NaCN and forms a water soluble complex i...

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  14. In alkaline medium, MnO(4)^(-) oxides I^(-) to -

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  15. The d - block elements have coloured ions because of -

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  16. The colour of the solution turns blue when a Cu - plate is dipped in a...

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  17. The oxidation state of I in KIO(4) is the same as that of Mn in -

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  18. The reaction between acidified chromic acid solution and H(2)O(2) give...

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  19. Fe^(2+) can be differentiated from Fe^(3+) with the help of -

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  20. 'Platinum black' is -

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