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Which is correct...

Which is correct

A

`"Process" -[Ti(H_(2)O)_(6)]Cl_(3), "Result" - "Colour is intense"`

B

`"Process" - CuSO_(4) " reacts with "KCN, "Result" - K_(2)[Cu(CN)_(4)] "is formed"`

C

`"Process" - KMnO_(4)" reacts with " HF, "Result" - MnF_(6) " is formed"`

D

`"Process" - K_(2)MnO_(4)" reacts with "CO_(2), "Result" - KMnO_(4)" (purple) and " MnO_(2)" (brown) is formed"`

Text Solution

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The correct Answer is:
D
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ALLEN-CHEMISTRY AT A GLANCE-INORGANIC CHEMISTRY
  1. On addition of small amount of KMnO(4) to concentrated H(2)SO(4), a g...

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  2. CrO(4)^(2-) (yellow) changes to Cr(2)O(7)^(2-) (oragne) in pH = x and ...

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  3. Which is correct

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  4. KMnO4 acts as an oxidising agent in acidic medium. The number of moles...

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

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  6. Interstitial compounds are formed when small atoms are trapped inside ...

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  7. In which of the following metallurgy, self reduction is not possible

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  8. Which reaction (s) occurs during calcination (a) CaCO(3)toCaO+CO(2)...

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  9. Which of the following statement is incorrect. On the basis of followi...

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  10. Statement-1:In cyanide process for the extraction of gold and silver f...

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  11. Match the refining methods (Column I) and with metals (Column II). {...

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  12. Match the column - Column-I Column-II {:((a)"Copper pyrites",,,,(P...

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  13. Which of the following is incorrectly matched :-

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  14. Scheelite (CaWO(4)) is an ore of tungsten which contain tungstate i...

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  15. Which of the following pair is incorrectly matched ?

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  16. Which of the following metals cannot be extracted by carbon reduction ...

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  17. (i) underset(("A morphous solid"))(A)underset(air)overset(O(2))(to)Bov...

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  18. Correct match is :

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  20. Thermite is a mixture of iron oxide and

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