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Calculate the number of unpaired electro...

Calculate the number of unpaired electrons in `Cr^(3+)` and `V^(3+)` ions.

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R G PUBLICATION-H.S. Question papers of AHSEC,2019-Exercise
  1. What are alloys? Name the metals used for the formation of bronze.

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  2. Zn^(2+) salts are colourless while Cu^(2+) salts are coloured. Give re...

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  3. Calculate the number of unpaired electrons in Cr^(3+) and V^(3+) ions.

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  8. Why racimic mixture is optically inactive?

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  12. A compound is formed by two elements M and N. The elements N forms ccp...

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  14. What will be the effect of temperature on rate constant?

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  15. A first order reaction has a rate constant of 10^(-2)s^( -1). How much...

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  16. Give reason why a finely divided substance is more effective as an ads...

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  17. What is an adsorption isotherm? In reference to Freundlich adsorption ...

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  18. Explain the role of the following in the processes mentioned: Depressa...

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  19. Describe the role of the following in the processes mentioned: Limesto...

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  20. Why the noble gases have very low boiling points?

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