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The complex formed when Al(2)O(3) is lea...

The complex formed when `Al_(2)O_(3)` is leached from bauxite using concentrated NaOH is :

A

` Na[Al(OH)_4] `

B

` NaAl_2O_ 4 `

C

`Na_2[Al(OH)_3] `

D

`Na_2AlO_2 `

Text Solution

Verified by Experts

The correct Answer is:
A
`Na[Al(OH)_4]`.
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PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -COMPETITION FOCUS (JEE(Main and Advanced)/MEDICAL ENTRANCE SPECIAL) MULTIPLE CHOICE QUESTIONS (I)
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  2. In the leaching of Ag(2)S with NaCN, a stream air is also passed. It i...

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  3. The complex formed when Al(2)O(3) is leached from bauxite using concen...

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  4. Sulphide ores of metals are usually concentrated by both floatation pr...

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  5. In the equatio, 4M + 8 CN^(-) + 2 H2O + O2 to 4 [M(CN)2]^(-) ...

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  6. In the cyanide extraction process of silver from argentite ore, the ox...

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  7. Which one of the following reactions is an example for calcination pro...

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  8. When limestone is heated CO(2) gas is liberated. In metallurgy, this p...

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  9. Which of the following faction is of no significance for roasting sul...

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  10. Which of the following statements, about the advantage of roasting of ...

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  11. In view of the signs of Delta(r)G^(@) for the following reactions : ...

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  12. Delta G^(@) vs T plot in the Ellingham's diagram slopes downward fo...

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  13. According to Ellingham diagram the oxidation reaction of carbon and ca...

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  14. Which series of reactions correctly represents chemical rections relat...

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  15. The following reaction take place in the blast in the proparation of i...

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  16. Identify the reaction that does not take place in a blast furnace

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  17. which of the following electronts is present as the impurity to the m...

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  18. When copper pyrites is roasted in excess of air, a mixture of CuO + Fe...

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  19. Roasted copper pyrite on smelting with sand produces

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  20. The composition of 'copper matte' is

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