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Choose the wrong statement in the follow...

Choose the wrong statement in the following:

A

`TiO_2` is used in the pigment industry

B

`MnO_2` is used in dry battery cells

C

`V_2O_5` catalyses the oxidation of SO, in the manufacture of sulphuric acid

D

The 'silver' UK coins are made of Ag/Ni alloy

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Identify the metal that forms colourless compounds.

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  2. What is the general molecular formula of the products obtained on heat...

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  3. Choose the wrong statement in the following:

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  4. In aqueous solution, Cr^(2+) is stronger reducing agent than Fe^(2+). ...

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  5. Choose the correct matching of transition metal ion and magnetic momen...

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  6. The bivalent metal ion having maximum paramagnetic behaviour is

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  7. When a brown compound of manganese (A) is treated with HCl it gives a ...

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  8. Why are Mn^(2+) compounds more stable than Fe^(2+) compounds towards o...

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  9. WhenI^(-) is oxidised by MnO4^(-) in alkaline medium, I^(-) converts ...

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  10. Blue solution of CuSO4 on treatment with excess KCN give colourless so...

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  11. Consider a titration of potassium dichromate solution with acidified M...

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  12. Among the following, The coloured compound is

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  13. The complex showing a spin only magnetic moment of 2.82 B.M. is

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  14. The colour of light absorbed by an aqueous solution of CuSO4 is

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  15. Which of the following pairs have almost similar atomic radii ?

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  16. Which of the following ions are colourless ?

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  17. Which of the following ions have same number of unpaired electrons ?

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  18. Which of the following statements is/are wrong ?

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  19. In which of the following oxides, the first is not more acidic than th...

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  20. Which of the following statements are correct when a mixture of NaCl a...

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