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A few drops of NaOH solution are added t...

A few drops of NaOH solution are added to orange red potassium dichromate solution, colours changes to yellow:- Name the yellow coloured compound formed.

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BODY BOOKS PUBLICATION-THE d AND f-BLOCK ELEMENTS-Example
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  2. Transition elements show various oxidation states and many of the tran...

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  3. A few drops of NaOH solution are added to orange red potassium dichrom...

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  4. A few drops of NaOH solution are added to orange red potassium dichrom...

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  5. Explain giving reason:- the enthalpies of atomisation of the transitio...

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  6. Account for the following:-Transition elements form a number of inters...

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  7. What happens when acidified KMnO4 solution reacts with aqueous Kl solu...

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  8. The most stable oxidation state of lanthanoid Is +3. But Yb shows on o...

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  10. Some d- block elements are given below. Cr, Mn, Fe, Co, NI:- Give reas...

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  11. Explain why CuSO4 is blue while ZnSO4 is colourless.

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  12. Basicity of hydroxides of lanthanoids decreases along the period from ...

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  13. "There are two beakers containing aqueous Kl solution.' A student adds...

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  14. "There are two beakers containing aqueous Kl solution.' A student adds...

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  15. The observed magnetic of Sc^(3+) was found to be zero. Calculate the m...

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  16. Cu^(2+) is paramagnetic while Cu^+ Is dlamagnetic. Glve reason.

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  17. Write the formula of the compound in which the metal is in +7 oxidatio...

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  18. Compare the electronic configurations and oxidation states of actinoi...

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  19. Explain a. The lowest oxide of a transition metal(Cr,Z=24) is basic wh...

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