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Find the position of the element having ...

Find the position of the element having atomic number 24. In which block the element comes? State whether its metal or non metal?

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 10-EXERCISE
  1. What are isodiaphers, Isotone & nuclear isomerism? Give example.

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  2. Which one has the highest paramanetic property and which one has least...

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  3. Find the position of the element having atomic number 24. In which blo...

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  4. What do you mean by Stair step diagonal? State its significance.

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  5. If the dipole moment and bond length of HF be 2.0 D and o.C.2A^@then f...

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  6. Explain why the viscosity and boiling point of H2SO4 is too high.Write...

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  7. What do you mean by surface tension? What is PI? How it is related wit...

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  8. What do you mean by enthalpy? Show that DeltaH= DeltaU + Delta nRT.

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  9. Define free energy. Comment for its change in a sponttaneous reaction.

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  10. Identify ABCD:A overset(Na) underset(LiqNH3)(rarr)B overset (CH3I)(rar...

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  11. If 4ml O2is obtained at 1.5atm pressure and 25^@C from 1 ml H2O2 sol...

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  12. How would you differch mically Na2CO3 & NaHCO3 which alkali metal form...

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  13. State the conditions of SN^2 reaction? What is I-effect?

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  14. What type of equilibrium 'is this 3Fe (s) + (g) f Fe3O4 (S) 4H2 (g)Di...

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  15. Shall phenolpthalein be used in neutralisation of Na2 CO3 by HC1? Why ...

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  16. Why CO Can't be dried using comes H2SO4? Give an example of a reaction...

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  17. State reason:Why the radius of Ga is less than that of Al.

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  18. State reason:The melting point of Boron is top high.What is Corundum? ...

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  19. How would you differ Chemically between ethane and ethene. What will h...

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  20. How would you Convert. State one demerits Fredel craft alkylation reac...

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