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Alkali metals readily dissolve in liquid...

Alkali metals readily dissolve in liquid ammonia to give blue coloured solutions. The blue colour is believed to be due to

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Assertion Alkaline earth metals dissolve in liquid ammonia to give a blue-black coloured solution. The blue-black colour of the solution is due to the presence of ammoniated electrons.

How alkali earth metal dissolve in liquid ammonia ?

When sodium metal is dissolved in liquid ammonia, blue colour solution is formed. The blue colour is due to

The metal that dissolves in liquid ammonia, giving a dark blue coloured solution is

Sodium gives blue colour in NH_(3) solution. This blue colour is due to

All alkali metals dissolve in liquid ammonia giving highly conducting ____ solutions.

Alkali metals dissolve in ammonia to give a blue solution which is conducting due to

Statement 1 : Sodium metal dissolves in liquid ammonia to form a blue coloured solution. Statement 2 : The blue solution is a good conductor of electricity.

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?

MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -Revision Exercises (Objective/Very Short answer questions(Fill in the blanks) )
  1. Li reacts directly with nitrogen to from lithium nitride.

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  2. Solvay process is used for the manufacturing of

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  3. Alkali metals readily dissolve in liquid ammonia to give blue coloured...

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  4. The ionisation energy of alkali metals decreases from Li to Cs bacause

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  5. Which of the following compound(s) will impart a golden yellow colour ...

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  6. Plaster of paris is

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  7. Assertion (A): Lithium chloride is predominantly covalent compound. ...

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  8. Assertion (A): Na(2)SO(4) is soluble in water while BaSO(4) is insolub...

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  9. Al(OH)(3) is amphoteric is nature. Al-O and O-H bonds can be borken ...

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  10. Assertion: Barium is not required for normal biological function in hu...

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  11. Assertion: Li resembles with Mg in properties Reason: Li^(+) has alm...

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  12. Assertion (A): Alkali metals impart colour to the flame. Reason (R )...

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  13. Assertion (A): Sulphur is estimates as BaSO(4) and not as MgSO(4). R...

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  14. Statement -1: Of the chloride of alkaline earth metals BeCl(2) is cova...

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  15. Be forms [BeF(4)]^(2-), but Al forms [AiF(6)]^(3-). Reason (R ): Be...

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  16. Assertion : K, Rb and Cs can also form superoxides. Reason : Their ...

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  17. Assertion (A): CuCI is more covalent than NaCI. Reason (R ): Na^(o+)...

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  18. Assertion : Be gives characteristic flame colouration. Reason : Ion...

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  19. Assertion (A) Beryllium carbonate is kept in the atomsphere of carbon ...

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  20. Assertion (A) The carbonate of lithium decomposes easily on heating to...

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