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Give reasons: Third ionisation enthal...

Give reasons:
Third ionisation enthalpy of manganese is unusually high.  

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Give Reason. Second ionisation enthalpy of copper is exceptionally high.

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Give reason : (i) Most of the transition metals have high melting point and boiling point (ii) 2^(nd) ionization enthalpy of Cu is exceptionally high. (iii) atomic size of 4d- and 5d-series elements are almost the same.

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OSWAAL PUBLICATION-Solved Paper 1-EXAMPLE
  1. Explain the preparation of potassium permanganate from MnO(2) Write th...

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  2. Give reasons: i) Generally there is increase in density along 3d ser...

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  3. Give reasons: Third ionisation enthalpy of manganese is unusually h...

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  4. Which of the following ions is coloured iņ aqueous solution? i) Sc^(...

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  5. Which of the following ions is coloured iņ aqueous solution? i) Sc^(...

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  6. Which of the following ions is coloured iņ aqueous solution? i) Sc^(...

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  7. Using valence bond theory account for the geometry and magnetic nature...

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  8. a) In the complex compound represented by CoCl(3).4NH(3), how many amm...

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  9. b) What type of structural, isomerism is exhibited by the complex Co (...

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  10. c) Between t(2g) and e(g) sets of d-orbitals of a central metal in an ...

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  11. Calculate the packing efficiency in a simple cubic lattice.

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  12. b) An element crystallizes in a foc lattice. The edge length of the un...

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  13. a) 24 g of a non-volatile, non-electrolyte solute is added to 600 g of...

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  14. b) i) A non ideal solution has DeltaH("mixing")gt0. What type of devia...

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  15. b) i) A non ideal solution has DeltaH("mixing")gt0. What type of devia...

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  16. a) Calculate the e.m.f. of the cell represented below: Ni((s))|Ni(0....

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  17. What is the composition of the cathode in the lead storage battery?

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  18. Name the product discharged at the anode during the electrolysis of an...

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  19. Derive an integrated rate equation for the rate constant of a first-or...

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  20. b) In the equation, rate =Z(AB)xxe^((E(a))/(R), what does the term e^(...

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