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When sodium is dissolved in liquid ammon...

When sodium is dissolved in liquid ammonia, a solution of deep blue colour is obtained. The colour of the solution is due to

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deep blue, ammoniated electrons
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Sodium metal dissolves in liquid ammonia and forms a deep blue solution. The colour is due to absorption of light by :

A blood red colour is obtained when ferric chloride solution reacts with:

Sodium dissolved in liquid ammonia conducts electricity because …………………………

Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of :

Assertion (A): Caesium metal when dissolved in liquid amtmonia forms a blue-coloured solution. Reason(R ): The blue solution is a good conductor of electricity.

A solution of sodium in liquid ammonia is blue in colour due to:

When a metal of group 1 was dissolved in liquid ammonia, the following observations were obtained (a) Blue solution was obtained initially. On concentrating the solution, blue colour changed to bronze colour.How do you account for the blue colour of the solution? Given the name of the product formed on keeping the solution for some time.

ICSE-THE s - BLOCK ELEMENTS-FILL IN THE BANKS. TYPE QUESTIONS
  1. Alkali metals are kept under ........because they are highly........an...

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  2. When heated in oxygen, lithium forms........, sodium forms......., whi...

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  3. LiF is..........in water due to its high.........energy.

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

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  5. Lithium exhibits diagonal relationship with

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

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  7. The right order of the solubility of sulphates of alkaline earth metal...

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  8. BeO possesses a........ lattice with coordination number of ……………. .

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  9. Arrange the following in the order of property mentioned. Be(OH)2, M...

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  10. The violet flame shown by potassium in bunsen flame is due to jumping ...

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  11. The formula of the ore sylvine is ..........

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  12. When sodium is dissolved in liquid ammonia, a solution of deep blue co...

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  13. Sodium-lead alloy is used in the preparation of which is used as an .....

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  14. The formula of dolomite is ................

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  15. Soaps do not work in hard water containing calcium and magnesium ions ...

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  16. Lithium is found to occur in the ashes of plants such as .......... .

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  17. Lithium is softer than ...... but harder than other alkali metals.

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  18. On passing CO2 through a concentrated aqueous solution of Na2CO3, ………...

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  19. Keiserite is an ore of ...... and has the composition.

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  20. Why is cement clinker obtained from rotary Kiln mixed with gypsum?

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