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Why lithium halides show covalent nature...

Why lithium halides show covalent nature.

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Because lithium ion has high polarisation capability.
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Given below are two statements : One is labelled as Assertion A and the other labelled as Reason R. Assertion A : Lithium halides are some what covalent in nature. Reason R : Lithium possess high polarisation capability. In the light of the above statements, choose the most appropriate answer from the options given below :

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Lithium fluroide (LiF) is mainly ionic but lithium iodide (LiI) is covalent in nature. Assign reason.

AAKASH INSTITUTE-THE S-BLOCK ELEMENTS-Try Yourself
  1. Write two properties of the alkali metal hydrides.

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

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  3. Why lithium halides show covalent nature.

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  4. Among alkali metals. Which one is the strongest reducing agent?

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

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  6. Name the ions present in solution of ammonia and alkali metals.

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  7. The blue colour of solution of ammonia and alkali metals is due to whi...

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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. Write one similarity between lithium and magnesium.

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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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