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NaCl has higher melting point that KCl....

NaCl has higher melting point that KCl.

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NaCl has higher melting point than KCl because NaCl has greater lattice enthalpy than KCl due to smaller size of `Na^+` ion than `K^+` ion.
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  5. Why aqueous solution of Na2CO3 is alkaline.

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  7. Account for the following: LiCl has lower melting point than NaCl.

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  8. NaCl has higher melting point that KCl.

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  9. How would you distinguish between. BeSO4 and BaSO4

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  10. How would you distinguish between. KNO3 and LiNO3

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  11. How would you distinguish between. NaHCO3 and Na2CO3

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  12. Give reasons for the following: In aqueous solution, Li^+ ion has lowe...

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  13. Account for the following: LiCl has lower melting point than NaCl.

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  14. Nitrogen gas reacts with metal A at room temperature to form white sol...

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  15. Give the main reasons for anomalous behaviors Be.

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  16. Give the difference between Be and Mg.

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  17. Name the gases produced when Be2C and MgC2 is treated with H2O.

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  18. Give 2 anomalous behaviour of Li.

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  19. Give the main reasons for anomalous behaviors Li.

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  20. Explain why sodium is less reactive than potassium.

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