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Select the incorrect match....

Select the incorrect match.

A

Highly electropositive metals -Smelting

B

Noble metals -Cyanide process

C

Less electropositive metals - Electrolytic extraction

D

Both (1) & (3)

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. When impurity in metal can easily be oxidised than metal itself, then ...

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  2. Which of the following can be extracted by thermite process?

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  3. Select the incorrect match.

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  4. Which of the following is most stable oxidation state of manganese?

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  5. Which of the following exhibits only one type of lattice structure?

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  6. Which of the following carbide is not possible with Lanthanides (Ln)?

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  7. Consider the following conversion CrO4^(-2) ⇋ Cr^(+3) find n factor...

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  8. Least acidic among following is

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  9. Potassium dichromate reacts with potassium iodide in acidic medium. Wh...

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  10. Which of the following does not have dπ - pπ bond?

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  11. Titration of KMnO4 in acidic medium is not satisfactory in presence of

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  12. The lanthanide which do not exhibit +2 oxidation state is

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  13. Which is not a bidentate ligand?

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  14. Which of the following is a coordination compound?

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  15. 0.1 mole of CrCl3.4NH3 reacts with excess of AgNO3 solution then 0.1 ...

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  16. Effective atomic number of chromium in [Cr(NH3)6]Cl3 complex is

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  17. Total number of stereoisomers in [Co(en)2Br2]^+ complex are

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  18. Which is outer orbital complex?

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  19. Correct order of crystal field splitting strength of ligands is

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  20. The value of CFSE (Crystal field stabilisation energy) for Na4[FeF6] c...

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