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Why are lithium halides partially covale...

Why are lithium halides partially covalent ? Explain with examples.

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Because lithium ion has high polarisation capability.
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Assertion (A): Lithium chloride is predominantly covalent compound. Reason (R ): electronegativity difference between Li and CI is small.

AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. Mention the important properties of saline hydrides

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  2. Except for lithium, alkali metals form their hydrides at what temperat...

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  3. Why are lithium halides partially covalent ? Explain with examples.

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  4. Among the alkali metals, which element has the highest reducing power...

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  5. If standard electrode potential of an element x is -1.70V and of anoth...

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  6. The alkali metals dissolve in ammonia to give a deep blue solution whi...

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  7. Why is the solution of an alkali metal in ammonia blue?

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  8. The blue coloured solution is diamagnetic or paramagnetic?

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  9. The bronze coloured solution is diamagnetic or paramagnetic?

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  10. What kind of oxides are formed by sodium?

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  11. What is the trend of enthalpy of formation of alkali metal fluoride?

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  12. The melting and boiling points of alkali metal halides always follow t...

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  13. Write two properties of alkali metals salts of oxo-acids.

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  14. Why lithium carbonate is not stable to heat?

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  15. Write one difference between lithium and other members of alkali metal...

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  16. There is a striking similarity between Li and Mg. Account for it.

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  17. How many water of crystallization are there in washing soda?

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  18. While purification of NaCl, why only crystal of pure NaCl separate out...

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  19. Which compound of sodium is formed when sodium hydroxide absorbs CO(2)...

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  20. Write two uses of sodium hydroxide.

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