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FeSO4, solution mixed with (NH4)2SO4, so...

`FeSO_4`, solution mixed with `(NH_4)_2SO_4`, solution in 1:1 molar ratio gives the test for `Fe^(2+)` ion but `CuSO_4`, solution mixed with aqueous ammonia in1:4 molar ratio does not give the test for `Cu^(2+)` ion. Explain.

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MODERN PUBLICATION-INORGANIC CHEMISTRY-EXERCISE
  1. What are freons ? What are their harmful effects on the environment ?

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  2. What is lanthanide contraction? Write any two of its consequences.

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  3. FeSO4, solution mixed with (NH4)2SO4, solution in 1:1 molar ratio give...

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  4. Explain why transition metal ions are usually coloured.

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  5. Give one method of preparation of XeF(4) . Mention one reaction in whi...

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  6. How does copper react with dilute and conc.HNO(3) ? Give reactions.

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  7. The aqueous solution of which amongst the following is the most acidic...

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  8. Why hydrogen bromide cannot be prepared by reacting sodium bromide wit...

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  9. What happens when SO2gas is passed through lime water first slowly and...

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  10. HF is a liquid whereas HCl is a gas. Explain.

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  11. What are the interhalogen compounds?Give examples.

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  12. What tyoe of hybridisation takes place in xenon during the formation ...

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  13. Give a brief account of Werner's co- ordination theory.

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  14. Explain. Why fluorine exhibits an oxidation state of -1 only, while ot...

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  15. Difference between double salt and complex salt.

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  16. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  17. What happens when potassium iodide is added to CuSO4 solution ?

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  18. What is leaching ? Glve an example.

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  19. What happens when NH(4)OH solution is added dropwise to copper sulphat...

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  20. Answer the following: Match the diseases of Group (A) with the vitam...

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