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Why is the solution of an alkali metal i...

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

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The blue colour of the solution is due to ammoniated electron.
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The alkali metals dissolve in ammonia to give a deep blue solution which is cnducting in nature. M+(x+y)NH_(3)to[M(NH_(3))_(x)]^(2+)+2[e(NH_(3))_(y)]^(-) which of the followin is not true about the solutions of alkali metals in liquid ammonia?

Which of the following statements is not ture about the dilute solutions of alkali metals in liquid ammonia ?

The alkali metals

The alkali metals

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). Br A: Dilute solutions of alkali metal in liquid ammonia are paramagnetic in nature R: Formation of ammoniated cations takes place when alkali metals dissolve in ammonia.

Why are the solutions of alkali metal atoms in liquid ammonia blue coloured and highly conducting?

the concentrated solution of alkali metals in liquid ammonia becomes blue due to

Which of the following statements is wrong for the solution of alkali metals in liquids ammonia

All alkali metals dissolve in anhydrous liquid ammonia to give blue colour solution. It is the ammoniated electron which is reponsible for the blue colour of the solution, and the electrical conductivity is due to the ammoniated cation, [M(NH_(3))_(x)]^(+) as well as the ammoniated electron, [e(NH_(3))_(y)]^(-) , value of x and y depend on the extent of solvation by NH_(3) . Dilute solutions are paramagnetic due to free ammoniated electrons. Q. Which of the following statement about solution of alkali metals in liquid ammonia is correct?

Statement-1: 3M solution of alkali metal in liquid ammonia has copper bronze colour. Statement-2: copper bronze colour is due to the formation of metal cluster.

AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. If standard electrode potential of an element x is -1.70V and of anoth...

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

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

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  4. The blue coloured solution is diamagnetic or paramagnetic?

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  5. The bronze coloured solution is diamagnetic or paramagnetic?

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  6. What kind of oxides are formed by sodium?

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

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

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

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  10. Why lithium carbonate is not stable to heat?

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

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

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

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

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

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  16. Write two uses of sodium hydroxide.

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  17. The first ionisation enthalpies of the alkline earth metals are higher...

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  18. Write the trend of hydration enthalpies of alkaline earth metal ions.

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  19. Beryllium and magnesium to not give colour to flame whereas other alka...

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  20. What is the nature of Be(OH)(2)?

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