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The element which forms oxides in all ox...

The element which forms oxides in all oxidation states ` +1 ` to `+5` is.

A

`N`

B

`P`

C

`As`

D

`Sb`

Text Solution

Verified by Experts

The correct Answer is:
A
Hydrometallurgy is the process of dissolbing the metal or its ore by the actiobn of a suitable chemical regent followed by recovery of the metal either by electrolysis or by the use of a suitable precipitating agent.
`4Au+8KCN+2H_(2)O+underset(air)(O_(2))rarr4K[Au(CN)_(2)]+4KOH`
`2K[Au(NC)_(2)]+Znrarr2Au+K_(2)[Au(NC)_(4)]`
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-Section D - Chapter End Test
  1. The element which forms oxides in all oxidation states +1 to +5 is.

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  2. In Brikeland-Eyde process, the raw material used is

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  3. Among the following nitrates, silver nitrates, lead nitrate, silver ni...

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  4. Which compound acts as an oxidising as well as reducing agent?

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  5. The most efficient agent for the absorption of SO(3) is

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  6. The solubility of iodine in water increases in the presence of

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  7. HI cannot be prepared by the action of conc. H(2)SO(4) on KI because

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  8. Deep sea divers used to respire in a mixture of

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  9. Which of the following oxyacids of phosphorus is a reducing agent and ...

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  10. Which of the following oxyacids of phosphorus is a reducing agent and ...

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  11. Boiling/melting points of the following hydrides follow in order.

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  12. On controlled hydrolysis and condensation, R(3)SiCl yields

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  13. Bleaching action of SO(2) is due to

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  14. One gas bleaches the colour of flowers by reduction and other by oxida...

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  15. With cold and dilute sodium hydroxide fluorine reacts to give

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  16. Which one of the following statements regarding helium is incorrect?

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  17. Who among the following firest prepared a stable compound of noble g...

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  18. Calcium cyanamide on treatment with steam produce

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  19. Four reaction are given below (i) 2Li+2H(2)Orarr2LiOH+H(2) (ii) 2N...

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  20. Each of the following is true for white and red phosphorus except that...

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  21. VA group precipitate was dissolved in HNO(3) and treated with excess o...

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