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Among potassium and sodium which one is ...

Among potassium and sodium which one is lighter metal?

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To determine which metal is lighter between potassium and sodium, we can analyze their properties based on their positions in the periodic table and their densities. ### Step-by-step Solution: 1. **Identify the Group of Metals**: - Both potassium (K) and sodium (Na) belong to Group 1 of the periodic table, which is known as the alkali metals. 2. **Understand the Trend in Alkali Metals**: ...
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AAKASH INSTITUTE ENGLISH-THE S-BLOCK ELEMENTS-Try Yourself
  1. Which one of the following alkali metals gives hydrated salts?

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  2. Why does the ionisation energy decrease on going down a group?

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  3. Among potassium and sodium which one is lighter metal?

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  4. What colour is imparted by Rubidium in flame test?

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  5. Which alkali metal do not show photoelectric effect?

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  6. Why are potassium and caesium rather than lithium used in photoelectri...

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  7. What do metal oxides form when they react with water?

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  8. K, Rb and Cs form mainly superoxides.

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  9. Which compound is formed when lithium reacts directly with nitrogen in...

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  10. What is electrode potential?

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  11. If an element has more negative value of electrode potential, then wha...

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  12. Apart from water, alkali metals react with which kind of compounds?

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  13. Mention the important properties of saline hydrides

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

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

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

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

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

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

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  20. The blue coloured solution is diamagnetic or paramagnetic?

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